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.

Shark researchers find a unique way to bring sharks closer.

Mermaid and shark conservationist Hannah Fraser shares the couch with Sharknado's Tara Reid on Shark After Dark Live, part of the Shark Week 2014 lineup.

A lemon shark literally swallowed a piece of steel, pushed it back out through its skin, and healed up like a comic-book superhero.

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.

The team returns to document an abundance of male sharks and figure out their strange behavior. Monday, July 24 9p.

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

A shark previously thought to be extinct has turned up in a peculiar place -- for sale in a Mumbai fish market.

Sharks aren't angry, they're just misunderstood! Watch these Baddest Bites and see more at DiscoveryGo.

A routine kayak trip off the coast of Australia takes a turn for the worse when a Great White Shark is spotted and a fisherman is in the water!

Host Josh Wolf chats with comedian Tom Green and Paul Clerkin from Alien Sharks about sharks, aliens and other things on the exclusive After Shark After Dark Live After Show.

Can magnets repel a school of hungry bull sharks? Dr. Craig O'Connell tests a magnetic shark barrier. From Shark Week 2016's "Sharks Among Us."

If you've been wanting to see Shark After Dark Live host Josh Wolf gets stabbed in the chest, you will definitely want to watch this.

It turns out, sharks and airplanes aren't all that different, and scientists are drawing inspiration from the shark's 400-million-year-old aerodynamic evolution.

A relaxing vacation in the South Pacific is cut short when a group of friends are attacked by a shark.

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

Proof that even sharks can be clumsy. Download the DiscoveryGo app to see more.