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Don't try what you're about to see at home.

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We are what you call experts.

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On this predatory episode of Mythbusters,

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it's a Jawsome Shark special.

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Nothing's just a threat!

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Adam and Jamie take the pledge to celebrate their most epic shark adventures of all time.

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I'm gonna commit urinating in my workload, okay?

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With scenes from Jaws.

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I saw Jaws. That didn't bother me at all.

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And real life.

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The guys count down the 25 most spectacular shark myths in Mythbusters history.

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And the shark-chart topper?

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Well, let's just say it's the ultimate twist in the tale.

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Right now, ready?

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I'm on my way.

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In your face, sharks.

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Who are the Mythbusters?

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Adam Savage.

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70% chance of science.

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And Jamie Heineman.

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Is that hot enough for ya?

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Between them more than 30 years of special effects experience,

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together with Tori Belleggi.

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Why are we doing this?

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Grant Imahara.

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That was pretty cool.

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And Carrie Byron.

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Let's do it.

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They don't just tell the myths.

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They put them to the test.

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Can you tell why I'm excited?

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Because you got a new bath toy?

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I did.

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But more importantly, this is a signifier that it is my favorite week of the year.

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Come on, you know it.

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It's Shark Week.

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And not only any Shark Week, this is actually the 25th anniversary of Shark Week.

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So it started all the way back in 1988?

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Yup, back when I was in my 20s and you were somewhere in your 70s,

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Discovery started this entire phenomenon with this special, sharks.

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Predator or prey.

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Followed closely by The Shark Takes a Siesta.

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And who can forget specials like Air Jaws?

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Anatomy of a Shark Bite.

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What about Ocean of Fear?

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Well, let's not forget that Mythbusters did some shark specials as well.

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We did, and in fact, that is exactly why we're here.

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We've tested dozens of shark myths.

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We're going to count down our top 25 in honor of the 25th anniversary.

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Some moldies, but goodies, some never-before-seen.

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We're going to show some behind-the-scenes footage.

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I really can't say anything more except it's going to be awesome.

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With the Mac catalog to rival Shark Week itself...

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Yeah!

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I'm going to come in serenading in my last suit, okay?

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Adam and Jamie are ready to reveal their top 25 most epic adventures.

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Whoa!

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...where thrills,

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spills,

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and ills are all on the menu.

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Nothing to test me!

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Start with such a smorgasbord to select from.

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Where to first?

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I remember when Jaws came out.

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I didn't see it in its initial release because I was, I think, 10.

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That was just too little, but a couple years later they re-released it,

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and I went and saw it because I thought I was old enough and I was totally wrong.

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I ran screaming from the theater about 25 minutes in.

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It's really hard to explain how much that movie and the fear of the water

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infected everyone at that time.

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I mean, you thought twice before going into a swimming pool.

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I'm not kidding.

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I saw Jaws.

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That didn't bother me at all.

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I really think that Jaws is absolutely responsible for a whole generation's fear of sharks,

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and that's why we're going to kickstart this whole thing talking about ways to fend off an angry fish.

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Fending off a shark is a myth that was spawned by Spielberg,

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because his monster backs off when smacked on the snout,

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but does fighting back really work?

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We've actually tested several ways of fending off sharks.

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The first one was the nose punch.

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We obtained some, shall we say, novelty fists and attached them to some robotic arms for Buster,

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who gave the ability to punch.

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Are you ready?

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Here we go.

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Three, two, one.

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That was pretty close.

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And with Buster firing at all cylinders, the team buzzed to the Bahamas,

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where with sharks aplenty, the experiment could begin.

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But once Buster hit the water, it became pretty obvious to everybody that our design was a little too complicated.

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Punch!

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It somehow ended up with this rig, where Jamie's holding on to Buster.

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The dive master is giving the punch command via the underwater comms that Carrie can hear,

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and she then tells me to pull the lever that makes Buster punch.

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But of course, after it's gone through all these steps,

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the shark is long gone and Buster is punching nothing but the water.

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It's not to say that we didn't score the odd hit, but very few were right to the nose or the gills,

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which meant that it was time for Mythbusters' plan B, which in this case was me.

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I went into this thinking that if a shark wanted to eat you, it was gone.

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The sharks are all around them. He's not eaten yet.

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But as it turned out, they didn't like being punched at all.

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I mean, it's not like I was throwing haymakers or anything, but they definitely felt it.

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Indeed, punching a shark was Myth confirmed.

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But as Adam alluded to earlier, there was a third part to this fighting back trilogy.

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So now we know sharks don't like being punched,

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but that led us to wonder if in the midst of a shark attack,

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when a shark has got you in its jaws and it's thrashing you all around,

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could you even have the where-of-cult to punch him in the nose or find his eyes to gouge him out?

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And that led to the development of RoboShark.

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RoboShark, or Carcaradon Roboticus, was fearsome enough in the shark.

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It's time to go swimming.

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It's time for his first meal.

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But in the water, he was something else.

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That is awful.

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That's a horror show.

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Yet when Adam ventured into those terrible teeth,

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So the shark bit Adam in the ass.

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He found that despite the thrashing and bashing,

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he was able to find the eye and gouge it out.

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I'll admit that we've gotten a lot of fan mail about these fighting back shark myths.

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Some people say that our reef sharks weren't tough enough and so our punching tests are invalid.

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Others say that Great White's attack was such ferocity

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that you would bleed out before you'd ever even think about getting to their eyes.

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My takeaway, honestly, if I'm in the middle of a shark attack, I'm going down fighting.

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It's a superstar, but next are some super senses.

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Now it's important to know how to fight off a shark because if they want to,

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they'll find you because their senses are something else.

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Ain't that the truth?

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As well as sharing the same senses as us, sharks have an extra sixth sense.

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Located in a shark's snout are receptors called the ampuli of Lorenzini.

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These detect the electromagnetic field that all living organisms emit.

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And it's this sleuthing sense that helps make sharks such a success.

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You might say that when escaping from a shark, you can swim, but you can't hide.

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Where are we in the countdown?

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Next in the countdown is mythical ways of repelling sharks.

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Right. Given that sharks find it really easy to find us in the water with their acute senses

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and they're pretty hard to fight off, it's better if you never let them get close to you in the first place.

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Well, we've tested three different techniques for repelling them.

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Yes, with dramatically different results.

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And the first of that trilogy is something hot and spicy.

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The story goes that the Kuna Indians used a shark shield of the hottest habaneros they could find.

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But did their path of pepper really keep the sharks away, or did it merely add a little bite to the bite?

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To find out, we took the hottest chilies we could find, which measured 350,000 on the Scoville scale.

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It's effectively equivalent to putting a hot lump of coal in your mouth.

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Added some water to a blended up mixture of them and dove right in.

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Once under, the plan was simple.

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We'd attracted the sharks with a bait box, and then Adam won't burst the chili blend with a hydraulically controlled needle.

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I'm gonna find this as soon as the sharks are close enough.

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But here's the thing, we didn't need to use the needle, the sharks kept eating the balloons.

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I totally bit the balloon!

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Needless to say, we then ramped up the concentration of chili until we reached a point that if I'd eaten that balloon, I'd be dead.

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But the sharks didn't react at all.

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With chilies not hot stuff, next up was some animal magnetism.

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I like this myth because there was some real science behind it.

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The idea was to use a strong enough magnet that you would overload the sharks' sixth sense, and it'd hightail it right out of there.

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And that was an idea that looked promising, as magnets first caused lemon sharks to flinch.

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Whoa! It almost got away.

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The myth looked better again when nurse sharks refused to cross a line of magnets on the sea floor.

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And it's pretty clear that the magnets are a shark repellent.

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But let's face it, a shark repellent needs to work not just for a baby shark, but also an adult shark in full attack mode.

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So that's where we went next.

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And that's where the results took a nose dive.

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Because with eight massive magnets on a box of bait, the hungry adults didn't even flinch.

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That was a totally unexpected result.

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Everything we've seen up to this point is telling us that sharks are reactive to magnetic fields.

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And we got nothing.

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I knew that was too close. I didn't expect it.

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The third myth about repelling sharks comes from a piece of classic fisherman folklore that a dolphin saved my life.

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Apparently, dolphins are so protective of each other in their pods that if they see another animal being menaced by a shark like a human,

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this biological impulse kicks in and they'll protect them too.

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So the story goes, but with real dolphins unlikely to cooperate, a mythbusters had to build their own.

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Yeah! That's great!

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So then we packed up our dolphin and took him to South Africa.

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Why South Africa?

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Well, as any fan of air jaws knows, that is the place where great whites do the most amazing thing.

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They leap all the way out of the water attacking their sealed prey.

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Our plan was pretty simple.

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Step one, put a seal decoy behind the boat and see if a shark bites it.

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That way we know there's sharks in the area and they're hungry.

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You feeling lucky, punk?

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I am feeling lucky.

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And that didn't take long at all.

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So now we knew that the sharks were around and the sharks were hungry.

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So for step two, we added flipper to the mix.

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All right, we're good.

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And lo and behold, despite two hours of towing, we got not a single other shark attack on our seal.

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So then we took the dolphin out of the water, left the seal decoy in the water and within a few minutes...

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BAM!

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Oh! Yes! BOSSIN!

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And I know I've heard the complaints that our test is invalid because our dolphin was a robot and made of a former mattress,

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but the fact remains that the entire time it was in the water, our seal decoy did not get hit once.

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That just means to me that if I'm in the water and I know dolphins are nearby, I'm going to feel a little bit safer.

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In your face, sharks!

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Still to come on this Josson special.

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This would be what it'd be like if you were abducted by aliens.

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The countdown heads to a confounding conclusion.

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It's Shark Week's 25th anniversary and to celebrate, the Mythbusters Josson spectacular is counting down Adam and Jamie's top 25 shark myths.

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I'm jumping into shark-infested waters for science.

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It's a little scary down here.

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Where it's already clear that sharks are immensely powerful predators.

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Now, I'm going to have the entire clock.

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But are they as powerful as Hollywood proposes?

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It's here you lay!

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Adam's gone from swimming away, but it doesn't stop.

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He dives right down with the three barrels with all the ease of an angry walrus.

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It's impossible! It's impossible!

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To put the clip to the test, Adam somehow got his hands on the original barrels from the movie.

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The only thing we're told we can't do is burn them, blow them up or lose them.

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Has he watched the show?

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Then we tethered those barrels to a concrete block that was at the bottom of a dock at Mer Island.

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A length of rope went from the barrels to a force gauge which was attached to a tank, like you do.

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Yep, and with Adam tanked up, the guys were sent to see what force could pull the barrels down.

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Alright, so I think we're ready.

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1500, 1500 right there.

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Are they under carry?

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We are just under.

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Just about 1200 pounds.

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We have 1200 pounds!

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So it took 1200 pounds to pull those barrels under the water.

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Could a great white shark do that?

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No.

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Look, a record-breaking large great white might be able to pull those barrels down for a second or two,

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but the idea that it could keep them down for hours is totally busted.

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Draw zero, mythbusters one.

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Later on in the movie there's another scene where the angry shark starts ramming Quint's boat

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so hard it actually springs a leaf.

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So first we went out and got ourselves a boat just like the one in the movie.

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I christen thee the orca five!

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Ew.

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How the hell do they do this?

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So then we made ourselves a shark that had a rubber and fiberglass head, a steel piped body,

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and most importantly the same mass as a large great white.

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So then back at the marina we put our shark into the water, aimed it at the orca five,

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and prepared to drag it towards it at 25 miles per hour,

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which is the fastest speed a great white has ever been clocked swimming at.

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Okay, go!

237
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And when I called go I never thought for a moment that this was going to work.

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But it turns out that 3000 pounds moving 25 miles an hour packs quite a punch.

239
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Oh, camera in the water!

240
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In fact, it packs enough of a punch for this movie myth to be confirmed.

241
00:16:02,000 --> 00:16:05,000
My shark went belly up but it definitely pierced the side.

242
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Meaning it was Jaws One, Mythbusters One, and Honorable Time.

243
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So far.

244
00:16:16,000 --> 00:16:19,000
Now, when both of these Jaws myths have in common,

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is that the shark is moving and moving rapidly,

246
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which brings us to the next story, which is that supposedly if a shark stops moving,

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it will die of asphyxiation.

248
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Like all fish, sharks get the oxygen they need via their gills.

249
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But is it true that all sharks have to be moving to let this process happen?

250
00:16:40,000 --> 00:16:45,000
Well, Kari, Tori, and Grant got suited and booted to find out.

251
00:16:45,000 --> 00:16:50,000
Where the plan was simple, grab a shark and hold it down.

252
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But where that didn't work, their shark expert instead tickled a shark into a trance.

253
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And what do you know?

254
00:17:07,000 --> 00:17:10,000
Now, it turns out that some sharks do in fact have to move to breathe.

255
00:17:10,000 --> 00:17:13,000
It's a system called ram ventilation.

256
00:17:13,000 --> 00:17:18,000
But the vast majority of sharks are totally fine to stop for a bit and chillax.

257
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Did Jamie just say chillax?

258
00:17:25,000 --> 00:17:28,000
So, Ancient Relics is not a myth about the Heinemann,

259
00:17:28,000 --> 00:17:31,000
although he has already lived several lifetimes of men.

260
00:17:32,000 --> 00:17:34,000
It is specifically about the port,

261
00:17:34,000 --> 00:17:40,000
you often hear about sharks that they have existed unchanged for over 400 million years.

262
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It's frequently said to be fact, but are sharks really older than the dinosaurs?

263
00:17:48,000 --> 00:17:52,000
Yes, sharks first appeared in the fossil record about 400 million years ago.

264
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But have they remained unchanged since then?

265
00:17:55,000 --> 00:17:57,000
Well, no, not really.

266
00:17:57,000 --> 00:18:00,000
The sharks back then looked nothing like the sharks today.

267
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It wasn't until about 100 million years ago when the classic shark shape that we all know and love first evolved.

268
00:18:10,000 --> 00:18:12,000
So, sharks are ancient.

269
00:18:12,000 --> 00:18:17,000
And what's more, the predatory ones have one thing in common.

270
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They can detect a drop of blood in an Olympic-sized swimming pool, right?

271
00:18:22,000 --> 00:18:28,000
The myth that sharks can smell a drop of blood in a swimming pool has been around forever.

272
00:18:28,000 --> 00:18:31,000
But when we tested it, we came up with some interesting results.

273
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One, two, three.

274
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First up, we used human blood and the sharks, while the sharks couldn't give two hoots.

275
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No, they'd been through it. They'd been through it. They didn't turn around.

276
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Even though lemon sharks have been known to attack people.

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So then we moved on to fish blood, which we diluted to one part per million and put it in a, shall we say, a contraceptive balloon.

278
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Alright, let's let them swim up a little higher.

279
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This time, when the blood hit the water, there was distinct change in the shark's behavior.

280
00:19:06,000 --> 00:19:09,000
Oh, he turned. He turned. He sped up. He turned.

281
00:19:09,000 --> 00:19:15,000
So here's the thing. Yes, the sharks reacted to one drop of blood in a million drops of water.

282
00:19:15,000 --> 00:19:21,000
But in your average Olympic-sized swimming pool, you've got over 50 billion drops of water.

283
00:19:21,000 --> 00:19:25,000
And there's just no way that a shark stands any chance of detecting that.

284
00:19:25,000 --> 00:19:29,000
Plus, how does a shark get into a pool in the first place?

285
00:19:37,000 --> 00:19:46,000
Welcome back. It's the 25th anniversary of Shark Week, and Jamie and I are counting down our top 25 shark myths.

286
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We've already looked at fighting off sharks, repelling sharks,

287
00:19:51,000 --> 00:19:56,000
and shark strength.

288
00:19:56,000 --> 00:19:59,000
We have 1200 pounds!

289
00:19:59,000 --> 00:20:01,000
But there's plenty more to come.

290
00:20:01,000 --> 00:20:04,000
I was actually going to say there's plenty more fish in the sea.

291
00:20:04,000 --> 00:20:06,000
That one really makes sense, would it?

292
00:20:13,000 --> 00:20:17,000
Actually, me saying that there's plenty more fish in the sea makes perfect sense

293
00:20:17,000 --> 00:20:21,000
when you realize that our next myth is that a shark is a shark is a shark,

294
00:20:21,000 --> 00:20:23,000
i.e. that all sharks are the same.

295
00:20:23,000 --> 00:20:26,000
Now, it's true that most of the sharks we've featured,

296
00:20:26,000 --> 00:20:29,000
lemon sharks, reef sharks, great whites and tiger sharks,

297
00:20:29,000 --> 00:20:34,000
and indeed most of the sharks featured in Shark Week itself are streamlined, carnivorous predators.

298
00:20:34,000 --> 00:20:37,000
But that is not true of all sharks.

299
00:20:59,000 --> 00:21:01,000
All sharks are the same as busted.

300
00:21:01,000 --> 00:21:03,000
So sharks sure are diverse.

301
00:21:03,000 --> 00:21:05,000
But what's next?

302
00:21:05,000 --> 00:21:09,000
Next up is a myth we got from one of Discovery Channel's rivals.

303
00:21:09,000 --> 00:21:11,000
Can I say which one?

304
00:21:11,000 --> 00:21:15,000
I won't say which one, but they had a shark film in which the narrator stated

305
00:21:15,000 --> 00:21:20,000
that there was a certain frequency of sound that was like a calling card for sharks.

306
00:21:20,000 --> 00:21:24,000
That frequency was 40 hertz, and supposedly it's the shark's favorite

307
00:21:24,000 --> 00:21:28,000
because that's exactly the kind of vibration that a wounded or dying fish makes.

308
00:21:28,000 --> 00:21:31,000
So the shark hears that and thinks, dinner.

309
00:21:31,000 --> 00:21:35,000
In this certain show, they called it the Yummy Hum.

310
00:21:35,000 --> 00:21:39,000
But in this show, the hum went numb.

311
00:21:39,000 --> 00:21:42,000
Our plan was simple.

312
00:21:42,000 --> 00:21:45,000
Play the yummy hum and see if any sharks showed up.

313
00:21:45,000 --> 00:21:48,000
We did no other tumming whatsoever.

314
00:21:48,000 --> 00:21:51,000
All we did was play the 40 hertz tone.

315
00:21:51,000 --> 00:21:56,000
But after 20 minutes, not even a curious krill had come to play.

316
00:21:58,000 --> 00:22:05,000
So the yummy hum didn't work, but that didn't stop us from trying to attract sharks.

317
00:22:05,000 --> 00:22:08,000
Next on the menu is man's best friend.

318
00:22:08,000 --> 00:22:13,000
Over the years, many shark attacks have supposedly been caused by canines.

319
00:22:13,000 --> 00:22:21,000
The theory being that their swimming style and pooch perfume draws sharks in from far and wide.

320
00:22:21,000 --> 00:22:26,000
Now when Cary Cretantory came to film this, I have to tell you,

321
00:22:26,000 --> 00:22:30,000
there was a huge discussion about whether or not to use a real dog.

322
00:22:30,000 --> 00:22:35,000
In fact, we found a dog and its owner who were willing to get into the sea with sharks.

323
00:22:35,000 --> 00:22:41,000
We even talked about making the dog a little doggie life jacket in case he got tired.

324
00:22:41,000 --> 00:22:44,000
And we thought about building it a miniature shark cage.

325
00:22:44,000 --> 00:22:49,000
Ultimately, there was no getting around the fact that we considered it 100% unacceptable

326
00:22:49,000 --> 00:22:52,000
for the dog to be eaten in the course of the experiment.

327
00:22:52,000 --> 00:22:55,000
But come on, a result is a result, right?

328
00:22:55,000 --> 00:23:01,000
So with real dogs ruled out, the Mythbusters had a shaggy solution.

329
00:23:01,000 --> 00:23:05,000
Although he looked simple, RoboDog was anything but.

330
00:23:05,000 --> 00:23:11,000
Capable of releasing smells from a real dog, accurate audio, and non-electronic movement,

331
00:23:11,000 --> 00:23:15,000
he was the ultimate robot in disguise.

332
00:23:15,000 --> 00:23:18,000
But would he attract sharks?

333
00:23:18,000 --> 00:23:23,000
The guys did this very cool experiment where they counted the number of sharks attracted to just the boat

334
00:23:23,000 --> 00:23:27,000
in a 20-minute period. No chum, no nothing.

335
00:23:27,000 --> 00:23:32,000
Every once in a while they come and check me out just to see if I'm edible.

336
00:23:32,000 --> 00:23:38,000
Then came back 24 hours later and threw RoboDog in, who swam like a champion.

337
00:23:38,000 --> 00:23:42,000
RoboDog looks great. He's totally swimming like a real dog.

338
00:23:42,000 --> 00:23:44,000
But he didn't just swim.

339
00:23:44,000 --> 00:23:49,000
Okay, Tari, stand by. We're going to release the urine and anal secretion.

340
00:23:50,000 --> 00:23:55,000
Yep, first RoboDog went we, then he pooped, and then he bled.

341
00:23:55,000 --> 00:23:58,000
See a shark coming towards the surface?

342
00:23:58,000 --> 00:24:05,000
But even with all that, after 20 minutes, the shark count was precisely the same as it had been during the control,

343
00:24:05,000 --> 00:24:07,000
which means Mythbusted.

344
00:24:07,000 --> 00:24:10,000
I still think we should have used a real dog.

345
00:24:10,000 --> 00:24:15,000
Who's a good boy? Who's a good boy?

346
00:24:16,000 --> 00:24:22,000
Next up is something that had gotten Jamie into a bit of a flap.

347
00:24:22,000 --> 00:24:26,000
So when we left South Africa, this whole yummy hum thing started to bother me.

348
00:24:26,000 --> 00:24:28,000
Oh, here we go.

349
00:24:28,000 --> 00:24:32,000
You see, that whole 40 Hertz thing was meant to sound like an injured fish.

350
00:24:32,000 --> 00:24:36,000
But then afterwards I thought, why don't we just build an injured fish?

351
00:24:36,000 --> 00:24:39,000
Uh, because that wasn't the myth.

352
00:24:39,000 --> 00:24:43,000
So back in shark infested waters, Jamie returned to this topic.

353
00:24:43,000 --> 00:24:49,000
But this time he went old school, two plastic fish on a pole, and the world's smallest dinghy.

354
00:24:49,000 --> 00:24:56,000
And in all fairness to Jamie, when he got those fish to start flapping at the surface, the sharks went ballistic.

355
00:24:56,000 --> 00:24:58,000
Hey!

356
00:24:58,000 --> 00:25:03,000
Jamie just kept flapping away. He was clearly having the time of his life.

357
00:25:03,000 --> 00:25:04,000
Yeah!

358
00:25:04,000 --> 00:25:10,000
But underwater, I could see that more and more sharks were coming and they were getting more and more aggressive.

359
00:25:10,000 --> 00:25:12,000
That's what I'm talking about.

360
00:25:12,000 --> 00:25:16,000
And I keep thinking, I'm underwater wearing full shark chain mail,

361
00:25:16,000 --> 00:25:22,000
and Jamie's up on the surface sitting in a little boat meant for a child to use on a calm lake.

362
00:25:22,000 --> 00:25:25,000
He is one puncture away from being shark bait.

363
00:25:25,000 --> 00:25:28,000
So despite his enjoyment, we pulled the plug.

364
00:25:28,000 --> 00:25:30,000
Big baby.

365
00:25:31,000 --> 00:25:35,000
So a flapping fish can attract a shark. I knew I was right.

366
00:25:35,000 --> 00:25:37,000
Yeah!

367
00:25:42,000 --> 00:25:46,000
Do not try anything you are about to see at home.

368
00:25:51,000 --> 00:25:57,000
The Mythbusters have been cruising their way through a Jossam extravaganza that will end with a twist.

369
00:25:57,000 --> 00:26:01,000
But next on the menu is something to sink your toothing to.

370
00:26:01,000 --> 00:26:06,000
One of my very favorite moments ever on Mythbusters came when we were filming in South Africa.

371
00:26:06,000 --> 00:26:10,000
The very first time Jamie got into the shark cage underwater.

372
00:26:10,000 --> 00:26:13,000
Well, what can I say? Danger is my little name.

373
00:26:13,000 --> 00:26:18,000
Now before you write in, yes, it's true. I did not see it firsthand.

374
00:26:18,000 --> 00:26:22,000
I was passed out on the boat from excessive vomiting.

375
00:26:22,000 --> 00:26:29,000
But I watched the footage at the hotel that very night and I have to tell you, it still gives me goosebumps.

376
00:26:41,000 --> 00:26:46,000
It's funny, but a lot of people have asked me what was going through my mind when that happened.

377
00:26:46,000 --> 00:26:52,000
The answer is really simple. I was thinking, haven't we already proved that shark cages are not shark proof?

378
00:26:54,000 --> 00:27:01,000
Inspired by a cagey scene from Jaws, the guys had put this heavy metal myth to the test.

379
00:27:01,000 --> 00:27:10,000
With surprising results, when rammed by their shark, Sharama, at 25 miles an hour, their shark cage turned to toast.

380
00:27:11,000 --> 00:27:13,000
Look what's on the shark.

381
00:27:13,000 --> 00:27:15,000
Is that a piece of the cage?

382
00:27:15,000 --> 00:27:17,000
It's like it went right through it.

383
00:27:17,000 --> 00:27:19,000
Bullseye!

384
00:27:19,000 --> 00:27:25,000
But luckily for Jamie, the shark in South Africa rammed his cage at just 5 miles per hour.

385
00:27:25,000 --> 00:27:29,000
And that meant that this time the bars held firmly.

386
00:27:29,000 --> 00:27:31,000
Here's the alarm.

387
00:27:33,000 --> 00:27:37,000
Next up, something with bite.

388
00:27:37,000 --> 00:27:41,000
So listen to this. A shark's bite is more powerful than a hyena.

389
00:27:41,000 --> 00:27:46,000
Or how about this? A shark's bite can be upward of 300 pounds per square inch.

390
00:27:46,000 --> 00:27:51,000
Or my favorite, a shark's bite can crush the exhaust pipe on a car.

391
00:27:51,000 --> 00:27:57,000
The point being that there is a huge number of myths out there about the power of a shark bite.

392
00:27:57,000 --> 00:27:59,000
And we wanted to find out the real story.

393
00:27:59,000 --> 00:28:03,000
And to do just that, the guys built themselves a fight-force rig.

394
00:28:03,000 --> 00:28:05,000
That works great.

395
00:28:05,000 --> 00:28:07,000
And headed to the open ocean.

396
00:28:07,000 --> 00:28:14,000
So in the Bahamas, we converted our rig to a kind of a giant shish kebab, put it in the water, and waited for sharks to chomp down on it.

397
00:28:14,000 --> 00:28:17,000
Come on, it's just like a big hot dog.

398
00:28:17,000 --> 00:28:20,000
But they never did, not at the surface.

399
00:28:20,000 --> 00:28:22,000
Come on, fishy, fishy, fishy.

400
00:28:22,000 --> 00:28:26,000
And on the seabed, did any shark chomp down on our rig?

401
00:28:26,000 --> 00:28:29,000
They're reluctant to actually participate in our experiment.

402
00:28:29,000 --> 00:28:34,000
I think it's the reason there are still so many myths about shark bite strength.

403
00:28:36,000 --> 00:28:41,000
Breaking into the top ten is a myth that was magnetic for Jamie.

404
00:28:41,000 --> 00:28:47,000
Okay, so you remember the magnet experiment where the baby sharks seemed to steer clear, but the big sharks didn't care at all?

405
00:28:47,000 --> 00:28:50,000
No, they didn't notice the magnets at all.

406
00:28:50,000 --> 00:28:55,000
So that gives an interesting insight into the inner workings of the Heinemann brain.

407
00:28:55,000 --> 00:29:00,000
See, most of us would watch that footage and simply say, oh, bummer, those magnets didn't work.

408
00:29:00,000 --> 00:29:02,000
But not Jamie.

409
00:29:02,000 --> 00:29:06,000
Jamie can't stop thinking about the fact that it seemed to work on baby sharks.

410
00:29:06,000 --> 00:29:10,000
It's pretty clear that the magnets are a shark repellent.

411
00:29:10,000 --> 00:29:18,000
And before you can say maverick walrus, he has hatched a plan to use magnets to make a baby shark remote control.

412
00:29:18,000 --> 00:29:19,000
I swear.

413
00:29:19,000 --> 00:29:25,000
It was a little unconventional, but thanks to a rig that could turn magnets on and off on cue,

414
00:29:25,000 --> 00:29:28,000
Jamie believed he could make a shark do his bidding.

415
00:29:28,000 --> 00:29:32,000
This would be what it'd be like if you were abducted by aliens.

416
00:29:32,000 --> 00:29:35,000
But unfortunately, the abduction didn't go well.

417
00:29:35,000 --> 00:29:41,000
The tiger shark taut just sulked on the seabed, at least until the unit was removed.

418
00:29:42,000 --> 00:29:44,000
What a shocker!

419
00:29:49,000 --> 00:29:57,000
It's claimed that ancient fishing cultures used shark skin as sandpaper to ensure their skiffs were splinter-free.

420
00:29:57,000 --> 00:30:04,000
To put the myth to the test, first came the single-scrape test, where the shark skin did okay.

421
00:30:04,000 --> 00:30:07,000
Then came the woodrub, where it did better.

422
00:30:07,000 --> 00:30:09,000
Oh, yeah, you can feel the difference.

423
00:30:09,000 --> 00:30:10,000
Wow.

424
00:30:10,000 --> 00:30:15,000
And by the time they rigged it up to an orbital sander, that shark skin?

425
00:30:16,000 --> 00:30:19,000
It was positively glowing.

426
00:30:20,000 --> 00:30:21,000
What do you think?

427
00:30:21,000 --> 00:30:22,000
I think it works beautifully.

428
00:30:22,000 --> 00:30:23,000
Really?

429
00:30:24,000 --> 00:30:30,000
Next in the Mythbusters Jawsome Special, it's time to make room for a Hollywood boom.

430
00:30:30,000 --> 00:30:38,000
The movie was called Deep Blue Sea, and in it were these sharks that had had their brains genetically modified in hopes of finding a cure for Alzheimer's.

431
00:30:38,000 --> 00:30:41,000
I know, but that wasn't what we were testing.

432
00:30:41,000 --> 00:30:43,000
We were testing the grand finale.

433
00:30:43,000 --> 00:30:45,000
Come to mama.

434
00:30:46,000 --> 00:30:52,000
A grand explosive finale that involved a very specific recipe for disaster.

435
00:30:54,000 --> 00:30:55,000
Yeah!

436
00:30:55,000 --> 00:30:57,000
He's gaining on us!

437
00:30:57,000 --> 00:31:00,000
With the movie ingredients replicated to perfection...

438
00:31:01,000 --> 00:31:04,000
In three, two, one, fire!

439
00:31:05,000 --> 00:31:11,000
They got nothing, so they reset and tried again, but got the same result.

440
00:31:11,000 --> 00:31:15,000
Three, two, one, fire!

441
00:31:22,000 --> 00:31:29,000
It was only when the guys lost the plot to replicate the results that they got the shark shrapnel they'd yearn for.

442
00:31:41,000 --> 00:31:43,000
I am ready!

443
00:31:44,000 --> 00:31:48,000
As fans of the show know, Adam loves his costumes.

444
00:31:48,000 --> 00:31:49,000
So yes, sir!

445
00:31:50,000 --> 00:31:54,000
They'll all be dancing on Jamie's intestines!

446
00:31:54,000 --> 00:31:59,000
So is it really a surprise that he dressed up as a knight to test whether armor is good shark protection?

447
00:32:00,000 --> 00:32:05,000
Maybe not, but it was a shining example of a surprising result.

448
00:32:05,000 --> 00:32:08,000
Okay, Adam, I think we're ready.

449
00:32:08,000 --> 00:32:10,000
We're ready to test the amazing result.

450
00:32:10,000 --> 00:32:16,000
Okay, Adam, I think there may be some damsel fishing distress down there that need your attention.

451
00:32:16,000 --> 00:32:17,000
Okay.

452
00:32:18,000 --> 00:32:24,000
Because as Jamie chummed the water, the sharks that showed up seemed to be attracted to the suit.

453
00:32:24,000 --> 00:32:34,000
It was not what we expected at all, but later our shark expert explained that the electrical receptors on the sharks might have gone into overdrive in the presence of so much metal.

454
00:32:34,000 --> 00:32:40,000
Let's face it, having sharks attracted to something that's supposed to protect you from them is pretty far from ideal.

455
00:32:40,000 --> 00:32:42,000
Yeah, I don't think it's going to catch on.

456
00:32:49,000 --> 00:32:55,000
Now in some ways, it maybe shouldn't have been a surprise to us that the sharks were attracted to my silver suit.

457
00:32:55,000 --> 00:33:00,000
When we were first testing Yum Yum Yellow, it was silver that seemed to be the shark's favorite.

458
00:33:00,000 --> 00:33:10,000
Adam's right. When the guy set up a rig to test the surface story that sharks are attracted to yellow, it was their silver bait bag that was hit first.

459
00:33:10,000 --> 00:33:12,000
Oh, yeah!

460
00:33:14,000 --> 00:33:15,000
Fantastic!

461
00:33:16,000 --> 00:33:20,000
While the yellow of the myth was the only one left untouched.

462
00:33:20,000 --> 00:33:26,000
It looks like Yum Yum Yellow is the only one that's actually last, which is the opposite of what I predicted.

463
00:33:26,000 --> 00:33:31,000
But further testing proved that actually there was no pattern at all.

464
00:33:31,000 --> 00:33:35,000
What I got out of this is that it's random. I don't see any color preference.

465
00:33:35,000 --> 00:33:40,000
Might say that sharks are the ultimate, unfussy feeders.

466
00:33:50,000 --> 00:33:53,000
We are at the total business end right now.

467
00:33:53,000 --> 00:33:54,000
Yep, just the top four to go.

468
00:33:54,000 --> 00:33:56,000
And they are all pretty awesome.

469
00:33:56,000 --> 00:33:59,000
And you know, people are going to be surprised at which one is number one.

470
00:33:59,000 --> 00:34:02,000
I totally agree, but let's not jump the gun just yet.

471
00:34:02,000 --> 00:34:03,000
Or the shark.

472
00:34:10,000 --> 00:34:16,000
Indeed, before we get to the top one, there are three more super memorable moments and they start with a little night diving.

473
00:34:16,000 --> 00:34:28,000
My hat is off to Cary Granton Tory for diving in the dark to test whether flashlights attract sharks.

474
00:34:28,000 --> 00:34:35,000
Mine too, because first up the guys jumped into shark infested water in near complete blackness.

475
00:34:35,000 --> 00:34:38,000
This is a little scary!

476
00:34:38,000 --> 00:34:44,000
For 20 minutes they stayed under, counting the number of sharks on their shipwreck.

477
00:34:45,000 --> 00:34:49,000
24 hours later, they return with flashlights in head.

478
00:34:49,000 --> 00:34:53,000
And that's when the danger level really rocketed up.

479
00:34:53,000 --> 00:34:59,000
We got a lot of activity down here. I got two sharks. I got three, four, five, six sharks right here.

480
00:34:59,000 --> 00:35:02,000
As the myth was chaotically confirmed.

481
00:35:02,000 --> 00:35:06,000
Look at this guy right here. He's coming straight for the light.

482
00:35:07,000 --> 00:35:10,000
Oh my god!

483
00:35:10,000 --> 00:35:14,000
I just missed the shark in the head with the flashlight.

484
00:35:14,000 --> 00:35:16,000
The guys are starting to get aggressive.

485
00:35:16,000 --> 00:35:21,000
I have to say, even though I don't smoke easily, this scares the heck out of me.

486
00:35:21,000 --> 00:35:25,000
You've got your little flashlight and it's illuminating like something in front of you maybe a shark.

487
00:35:25,000 --> 00:35:29,000
But the only thing I would be thinking is, what's behind me?

488
00:35:29,000 --> 00:35:31,000
Holy crap!

489
00:35:31,000 --> 00:35:35,000
If anybody finds this tape, tell them I'm sorry.

490
00:35:35,000 --> 00:35:39,000
I'm so scared of the sharks.

491
00:35:40,000 --> 00:35:42,000
Next up, moment three.

492
00:35:42,000 --> 00:35:45,000
Which starts with a bang.

493
00:35:46,000 --> 00:35:49,000
A bang that comes from Jaws.

494
00:35:49,000 --> 00:35:56,000
But can the famous scuba tank explosion really be real?

495
00:35:56,000 --> 00:36:02,000
In a shipping container at an abandoned naval base, the guys took aim to find out.

496
00:36:02,000 --> 00:36:06,000
So we had the same kind of tank from the movie, the same kind of gun from the movie,

497
00:36:06,000 --> 00:36:10,000
and a shark that I guess was fake like the movie.

498
00:36:10,000 --> 00:36:14,000
So with all of them lined up, it was go time.

499
00:36:14,000 --> 00:36:16,000
Starting the trigger now.

500
00:36:17,000 --> 00:36:22,000
Oh!

501
00:36:22,000 --> 00:36:28,000
Inside the bunker, the tank had turned torpedo, rocketing around left, right and center.

502
00:36:28,000 --> 00:36:31,000
But an explosion, it wasn't.

503
00:36:31,000 --> 00:36:35,000
But here's the thing, even though our first test was much less spectacular

504
00:36:35,000 --> 00:36:38,000
and didn't result in an explosion, meaning that the myth was busted,

505
00:36:38,000 --> 00:36:43,000
I still feel like it would have a better than even chance of killing

506
00:36:43,000 --> 00:36:45,000
or at least getting that shark away.

507
00:36:45,000 --> 00:36:51,000
Imagine you shoot the front of this tank, it starts to jet air and rockets the tank down into the shark's belly,

508
00:36:51,000 --> 00:36:54,000
embedding himself maybe in his intestines.

509
00:36:54,000 --> 00:36:57,000
If it didn't kill him, at least it would make him go away.

510
00:37:05,000 --> 00:37:11,000
On July 30th, 1945, the USS Indianapolis was torpedoed by a Japanese sub,

511
00:37:11,000 --> 00:37:17,000
resulting in the loss of over 500 men, many of whom were taken by sharks.

512
00:37:17,000 --> 00:37:24,000
On file, several survivors reckoned that a strategy of playing dead was what kept them alive.

513
00:37:24,000 --> 00:37:32,000
And that is something that Carrie Grant and Tori tested in what is absolutely my favorite shark moment on the show.

514
00:37:32,000 --> 00:37:34,000
Ha! Yeah, that's pretty cool.

515
00:37:34,000 --> 00:37:37,000
First, the guys chummed the heck out of the water.

516
00:37:37,000 --> 00:37:40,000
Locktails and appetizers!

517
00:37:40,000 --> 00:37:45,000
And then, in the middle of this feeding frenzy, Grant and Tori jump in.

518
00:37:45,000 --> 00:37:47,000
Oh!

519
00:37:49,000 --> 00:37:52,000
This sucks. This sucks so bad.

520
00:37:52,000 --> 00:37:54,000
This sucks a lot.

521
00:37:54,000 --> 00:38:01,000
But that's not all. Grant has to lie there motionless for ten minutes while Tori thrashes around him.

522
00:38:01,000 --> 00:38:04,000
Ten minutes, can you imagine?

523
00:38:04,000 --> 00:38:07,000
Come on, sharks! Don't get to dinner!

524
00:38:07,000 --> 00:38:11,000
And after ten minutes is up, the guys swap roles.

525
00:38:11,000 --> 00:38:15,000
Now Tori's playing dead and Grant is the one who's panicking and thrashing.

526
00:38:15,000 --> 00:38:18,000
And remember, Grant knows what happened in the first test.

527
00:38:18,000 --> 00:38:24,000
He knows the thrashing diver is going to attract more sharks, which makes test two far scarier.

528
00:38:24,000 --> 00:38:26,000
Help! Help!

529
00:38:27,000 --> 00:38:30,000
I'm no expert, but I would say that Grant was actually panicking.

530
00:38:30,000 --> 00:38:32,000
There's no acting in that.

531
00:38:32,000 --> 00:38:35,000
After all, this is a guy who has a fear of fish touching him.

532
00:38:35,000 --> 00:38:38,000
And there he is in the middle of the ocean trying to get eaten.

533
00:38:38,000 --> 00:38:41,000
I mean, that's the point of the test. It's classic.

534
00:38:41,000 --> 00:38:47,000
Yep, it sure is a classic, as the guys literally put their lives on the line for science.

535
00:38:47,000 --> 00:38:50,000
Me and E. Horne, they're just hungry!

536
00:38:50,000 --> 00:38:54,000
Although Tori and Grant probably don't remember it quite so fondly.

537
00:38:54,000 --> 00:38:56,000
It was terrifying.

538
00:39:00,000 --> 00:39:01,000
Nothing to touch, man!

539
00:39:02,000 --> 00:39:03,000
No!

540
00:39:07,000 --> 00:39:10,000
Okay, this is it. Drum roll please!

541
00:39:11,000 --> 00:39:24,000
But after punching, eye gouging, dressing up like a knight, mythical ways to attract sharks, mythical ways to repel sharks,

542
00:39:24,000 --> 00:39:27,000
I totally bit the balloon!

543
00:39:27,000 --> 00:39:29,000
and a whole lot of jaw stuff thrown in too.

544
00:39:29,000 --> 00:39:31,000
Smile, you son of a...

545
00:39:31,000 --> 00:39:34,000
You can quite rightly be wondering what is left.

546
00:39:34,000 --> 00:39:39,000
Well, as it turns out, at the top of the list is a myth that we haven't actually tested on the show.

547
00:39:39,000 --> 00:39:42,000
But it's arguably the biggest myth of them all.

548
00:39:42,000 --> 00:39:46,000
And that is that sharks are evil creatures to be avoided at all costs.

549
00:39:46,000 --> 00:39:49,000
And if a bunch of them go extinct, we should celebrate.

550
00:39:49,000 --> 00:39:51,000
That's pretty much it.

551
00:39:51,000 --> 00:39:54,000
But if there's one thing I've learned in all the time that we've been doing this show,

552
00:39:54,000 --> 00:39:59,000
and all the shark myths that we've done, is that sharks are in fact magnificent.

553
00:39:59,000 --> 00:40:03,000
They are beautiful, inspiring, incredible animals.

554
00:40:03,000 --> 00:40:08,000
And sure, while occasionally they happen to kill somebody who ventures into their domain,

555
00:40:08,000 --> 00:40:15,000
you're more likely to be killed by a hot dog, a regular dog, a pig, a horse, a toilet, a vending machine,

556
00:40:15,000 --> 00:40:21,000
a Black Friday Stampede, a lightning, a bed, an ant, a game of football, or a roller coaster.

557
00:40:21,000 --> 00:40:25,000
Sharks account for just five people worldwide each year.

558
00:40:25,000 --> 00:40:30,000
And yet each year humans kill millions upon millions of sharks.

559
00:40:30,000 --> 00:40:36,000
And for what? For shark fin soup? It doesn't even taste that good.

560
00:40:36,000 --> 00:40:41,000
Yep, if there's one thing that this countdown and the 25th anniversary of Shark Week can inspire,

561
00:40:41,000 --> 00:40:46,000
it's to help stop the slaughter of a creature that's been around for 400 million years.

562
00:40:46,000 --> 00:40:52,000
Creatures that have survived the two biggest mass extinction events in geological history.

563
00:40:52,000 --> 00:40:55,000
Let's not have them go extinct on our watch.

564
00:40:55,000 --> 00:40:57,000
Because then we'd have no more of this.

565
00:41:16,000 --> 00:41:21,000
Oh, this is great! Look at him, he's just wondering what the hell to do!

566
00:41:21,000 --> 00:41:23,000
Oh, yeah.

567
00:41:24,000 --> 00:41:27,000
There! We've done it.