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.

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.

A young girl is attacked while on vacation. She reveals the actual footage from the day of the attack.

No one knows how to stick to a shark like its ocean buddy, the remora. Scientists are drawing inspiration from the friendly fish to improve shark-tagging technology.

On Shark After Dark, Bob the Shark gets even nuttier now that he has a fancy umbrella, and nearly gets into a brawl with Epic Meal Time's Harley Morenstein.

Cameras capture great hammerheads hunting a giant school of blacktip sharks in shallow water. From Shark Week 2016's "Shallow Water Invasion."

Watch some of the closest calls between man and shark in Shark Week history. Download the DiscoveryGo app to see more.

It turns out that sharks actually know when a hurricane is approaching, and how to get out of danger quickly

Every year the world’s largest great white sharks mysteriously disappear. Finding out where they go may change the future of this species.

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

A 17-foot great white bites a self-propelled shark cage off Guadalupe Island. From Shark Week 2016's "Shallow Water Invasion."

Sharks may not often breach, but when they do – it's worthy of a mirror-ball trophy! Download the DiscoveryGo app to see more.

A team of shark experts attaches a GoPro cam to the fin of a tiger shark off the coast of Hawaii in Sharkageddon, part of the Shark Week 2014 lineup.

Sink your teeth into these ground-breaking, ocean-breaching Shark Week Firsts! [presented by Joe's Crab Shack]

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.