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.

Are sharks social creatures or lone wolf hunters? Enter the storm to find out, July 27 at 10p.

Eli discusses his incredible experience diving with 80 sharks swimming around him.

Eli spends his morning with the shy blacktip sharks as he discusses his plans to go back to see the wall of sharks.

After not seeing any last year, Eli prepares for a deep dive to see the strong silver tip sharks.

A camera called the "Shark Eye 2" will be used to track the behavior of a "grander" mako shark (over 1,000 pouds)...if the team can catch one. From Shark Week 2016's "Return of the Monster Mako."

Before leaving Tahiti, Eli recounts his adventures and plans for next year's dives.

Each summer the Gulf Stream pushes north into the waters of southern New England, bringing with it 30 species of shark. Greg Skomal and Joe Romeiro study makos, great whites and porbeagles that can out-swim, out-think, and out-compete all the others.

A dive team leaves the shark cage to get measurements of giant monster makos at night. How close is too close? From Shark Week 2016's "Return of the Monster Mako."

Researchers are shocked to discover an absence of great white sharks in a prime location for shark migration, underscoring the need for protection. From Shark Week 2016's "Blue Serengeti."

A team of explorers float in a one-of-a-kind shark cage, 500 miles into the Gulf of Mexico. Acting as human lures in the open ocean will they encounter its deadliest shark?

From active to extinct, and at every stage in between, volcanoes hold a strong attraction for sharks of all kinds. Across the world, sharks congregate and concentrate around volcanoes and volcanic islands.

Experts unravel the mystery behind one of the sea's strangest creatures, the sawfish, from its evolutionary links to sharks and rays, to its key role in the marine ecosystem.

Michael Phelps enrolls in shark school to learn the truth about sharks.

In Brazil, Dr. Hazin has successfully reduced the number of shark encounters by simply catching and moving sharks out to the open sea. What’s his secret? And can this solution work in Australia, where encounters are a problem?

A shark's unique night vision makes it a pro at picking off prey under the moon's low light.

Shark Week is back. Are you ready?