Craig Ferguson takes a look at some small, medium and large-sized shark teeth. Will he have second thoughts about getting in the water with them?

Shark After Dark's Taryn Southern and Bob the Shark meet Sharkzilla, a Megalodon-sized mechanical shark, at VidCon. They're joined by Tory from MythBusters.

On Shark After Dark, Bob the Shark heads to SeaWorld to meet with the humans (don't worry, Bob doesn't bite) and his archenemies: the dolphins.

On Shark After Dark, Blimp from "Voodoo Sharks" shows off his unique Shrimp Dance.

Tickle from Moonshiners shares some of his favorite concoctions with Shark After Dark host Josh Wolf, and Bob the Shark feels left out.

On the final night of Shark After Dark, Bob the Shark faces off against his "alien shark" cousin Blorb the Shark, aka the Tom Green of the Ocean.

Bob the Shark and David "The Hoff" Hasselhoff sing the Shark After Dark theme song (now huge in Germany) and has a shark-to-shark chat with Sharkzilla.

On Shark After Dark, host Josh Wolf tosses to a clip of Ian Ziering in Sharknado... but no wait, it's actually a clip of Ian dancing at Chippendales!

On Shark After Dark, Taryn asks Bob the Shark and Dominic Monaghan questions from our Twitter audience. #SharkAfterDark

Kari, Grant and Tory from MythBusters unveil Sharkzilla, an INSANELY AWESOME replica of a Megalodon, a giant ancient shark that measured over 50 feet in length.

Was the ancient shark Megalodon capable of biting an entire whale's head off? Watch our test chomp to find out if this is even remotely possible.

On Shark After Dark, actress Tara Reid ponders how whale sharks are made (whale shark = whale shark?) and other shark mysteries...

On Shark After Dark, Bob the Shark returns and somehow ends up on a plane with actress Tara Reid and actor Ian Ziering...

Watch the best of Bob the Shark from Shark After Dark, Discovery's first live late-night talk show, on Sunday, August 4.

On Shark After Dark, actress Alison Sweeny shares the shocking tale of a reality contestant's fear of sharks.

Shark After Dark host Josh Wolf faces his fears and goes diving with sharks, along with his pal television personality Carrie Keagan.

Bob the Shark's message is finally getting out: dolphins are evil. Watch the best of Bob's last night on Shark After Dark Live, part of the Shark Week 2014 lineup.

On Shark After Dark, Bob the Shark and his cousin Blorb (the Tom Green of the ocean) compete in the main event of the evening: bobbing for seals!

In today's countdown, Andy Casagrande reveals which Shark Week moment made it to first place. This is one shark moment you don't want to miss!

Shark After Dark Live host Josh Wolf loses a bet to Richard and Aaron from Fast N' Loud, so co-host Taryn Southern waxes a shark into his chest.

They've got a bad rep. But really they are just unfussy eaters.

A great white is lured into biting the bite pad. The impression will help researchers determine if it's responsible for a series of attacks. From Shark Week 2016's "Wrath of a Great White Serial Killer."

Shark After Dark Live 2014 wraps up with the final web exclusive after show featuring Paul de Gelder and Kala Alexander. Thanks for joining us!

Finally seeing the swellshark with special "shark eyes" is only the first step in researchers using their glow-in-the-dark protein to help save lives one day. From Shark Week 2015's "Shark Planet."

What's the best way to defend yourself against a shark attack? Your favorites from Discovery take our Shark Week pop quiz.

Shark After Dark host Josh Wolf gets Naked and Afraid with Courtney as they try to survive New York City.

Armed with GoPros and sheer determination, a team of scientists from around the world came together to film shark migration between the Galapagos and Cocos Islands for the first time ever.

Colossus is 16 feet long and as wide as a school bus, which is why DNews and Discovery placed him at #5 in our countdown of the Top 5 Legendary Sharks.

Sometimes sharks get a little too curious. Know how to protect yourself with these tips.

The Human Hammerhead, John Ferraro, bends spikes, breaks metal rods and hammers a nail with his superhuman skull on Shark After Dark Live, part of the Shark Week 2014 lineup.

Shark attack survivor Paul de Gelder tells the story of how he lost an arm and a leg to a bull shark. Shark After Dark Live is part of the Shark Week 2014 lineup.

Shark expert Greg Stone explains why sharks are so important, and The Nerdist's Chris Hardwick describes a type of land shark called the Donald Trump.