A prisoner begins to go through heroin withdrawal in jail. Watch FIRST WEEK IN Mondays @ 9pm on Discovery | Visit SUBSCRIBE to...

The grossest things in the Bering Sea don't always lurk under the water. Sometimes, it's that giant, pulsing abcess behind your ear. #DeadliestCatch New episodes Tuesdays 9/8c on Discovery...

The grossest things in the Bering Sea don't always lurk under the water. Sometimes, it's that giant, pulsing abcess behind your ear. #DeadliestCatch New episodes Tuesdays 9/8c on Discovery...

For more videos, go to www.discoverynews.com. The Giant Pacific Octopus is smarter than you might think. And at the Smithsonian's National Zoo, Jorge Ribas watches one use its wits - and many...

Matt finds an unresponsive Honora passed out and immediately calls the medics. | For more Naked and Afraid, visit Catch Naked...

Watch Time Warp Wednesdays at 8 pm ET. We all know a lighter is good for a flame but will it blend??...

Is it difficult to hold on to a grenade for a long time? Adam and Jamie put a scene straight from TV to the test! Watch full episodes!

MythBusters Fearless Adam holds his breath as he is submerged in a pool to test the underwater car escape myth. Watch full episodes for FREE!

| Witness the fight for survival of a young Allosaurus as he battles the giant Dinheirosaurus -- a plant-eater with a tail like a 35-foot long bullwhip...

For more videos, go to Avatar's new performance capture technology could revolutionize the way directors, actors and animators collaborate...

Check out Bear's Ten SCARY SURVIVAL moments: Bear Grylls...

Check out Bear's Ten SCARY SURVIVAL moments: Bear Grylls is lost in Ecuador, and resorts to fishing...

Check out Bear's Ten SCARY SURVIVAL moments: Bear Grylls is stranded in Alaska and manages to catch...

MythBusters Kari Byron puts this theory to the test and the conclusion has a twist that may come as a surprise. Subscribe to Discovery:

Deep Blue is one of the biggest great white sharks ever caught on film. Jaws Strikes Back, part of the Shark Week 2014 lineup, was filmed in partnership with the Woods Hole Oceanographic Institutio...

Get the inside scoop on how partners are matched up for Naked and Afraid, and why the pairings don't always work out as planned. | For more Naked and Afraid, visit

Watch Time Warp Wednesdays at 8 pm ET on Discovery. Ever see a shaken soda can opened in slow motion?

Watch Time Warp Wednesdays at 8 pm ET. Cheerleaders, doggies and kung-fu masters... see a few of your...

An angry man bent on revenge builds a customized armored bulldozer to tear apart a small town.

Adam demonstrates how (and explains why) helium turns you into Donald Duck, and sulfur hexafluoride into Satan. | For more MythBusters, visit