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.

In today's countdown, Jeff Kurr reveals which Shark Week moment made it to third place!

Actor Austin Nichols explains the significance of a shark's role in the ocean and why they need our help.

Host Josh Wolf continues to chat with Shark Week filmmaker Jeff Kurr and shark wrangler Dickie Chivell about their experiences with sharks on the exclusive After Shark After Dark Live After Show.

Do you remember the plot of the movie Jaws? Your favorites from Discovery (struggle to) recall the tale of this infamous summer blockbuster.

Tiger sharks are known as "living garbage cans." Les Stroud tests this by throwing a series of objects in the water for them to eat.

Scientists have discovered that sharks have a special "sixth sense" tied to thier electroreceptors that's specifically tuned for catching prey.

Actor Austin Nichols explains the significance of a shark's role in the ocean and why they need our help.

Oscar-winning actress Charlize Theron and veteran shark week cinematographer Andy Casagrande join host Eli Roth on "Shark After Dark."

Humans love sharks so much, we study everything about them. Even their musical preference.

Sharks and crocodiles go head-to-head in an epic showdown down under. Sunday, July 23 at 9p.

Despite their size, you have no reason to be sacred of whale sharks. You should be scared for them.

Moments after getting his chest hair waxed into a shark shape, Josh Wolf continues to talk to 9-year-old shark activist Sean Lesniak and shark journalist Scott Butherus on the Shark After Dark Live after show.

In today's countdown, Jeff Kurr reveals which Shark Week moment made it to second place!

Researchers tag sharks with satellite transmitters for tracking.

Sharks have been responsible for regulating and maintaining the ocean ecosystem for 420 million years, but today they're being slaughtered at an alarming rate. Join the Ocean Preservation Society in the fight to save sharks at RacingExtinction.com.

Bob the Shark reunites with his alien cousin, Blorb the Shark, on the third night of Shark After Dark Live.