The Mentalist Clips: Marathon Cards
In the Marathon Cards event, competitors have one hour to memorize as many decks of cards as possible. The current record holder, Ben, has memorized 1,404 cards.
Most Watched in Science
Frozen Planet: Deep in to the polar bear's den
Field Producer Jason Roberts and Cameraman Mark Smith crawl into a polar bear's den in the Arctic. Nervous that the bear will return, they bravely take a tour of the den, lined with icy polar bear hairs and scratched with claw marks.
Prophets of Science Fiction: Century Ahead of His Time
Science fiction expert Dr. Michio Kaku believes Wells was more than a century ahead of his time and, in fact, helped create the science fiction genre.
MythBusters: C4 Cook-Off Aftershow
Jamie and Adam discuss everything from working with C4, eating fiddlehead ferns, building the foot-stomper in record time, and yearning after aircraft carriers. (And don't miss Jamie's interjection around 4 minutes in.)
Sins & Secrets: Shocking Murder In Rome, Georgia
Now 100 years old, the John Carter stories have inspired characters real and fictional. Martin Berman looks into what makes a Sci-fi classic.
Flying Wild Alaska: Surprise Invitation
Ariel Tweto receives a surprise invitation from her cousin to go crabbing on the frozen Bering Sea. Then, Ariel impresses her father on a small task he had assigned to her.
A Gunsmoke customer enters the shop with a challenge for Rich. The customer challenges Rich to build a better custom Barrett gun than a custom chopper.
Blimp explains the many superstitions of shrimping. He soon faces his own bad luck when his boat's winch breaks.
Sons of Guns: Armored Crowd Control
Officer David Liang of the New Orleans Police Department arrives at Red Jacket with a Ferret armored car that Will and his team will convert to a vital urban crowd control vehicle.
Penn & Teller Tell A Lie: Can a Magnet remove a Tattoo
Penn and Teller discuss the story behind a magnet tattoo removal.
The sparks fly -- and the forklifts groan -- as Tory, Kari and Grant connect two cars in preparation for the tandem-driving myth seen in the movie Date Night.
American Guns: Sniper Shooting Bet
After Kurt worked so hard on engraving the .50 caliber Barrett rifles, Rich puts the money on the line just to get an opportunity to shoot the king of sniper guns.
In 1940 German engineers introduce a game-changing weapon against the armor of enemy tanks, the heat round.
Recent Videos in Science
How can a Toyota Tundra with a 10,000-pound towing capacity pull a 300,000 pound space shuttle? Scott Benjamin of CarStuff delves into the physics at play during the space shuttle's final journey to the California Science Center in Los Angeles.
Sons of Guns: Jesse James Lets Loose
After Will Hayden receives a surprise visit from Jesse James, he gives him a chance to shoot many guns from the Red Jacket collection in the range.
Sons of Guns: Jesse James Surprise
Just when Will and his team thought it was another day at the shop, they receive a surprise visit from Jesse James.
The Red Jacket crew works on building an aluminum Browning automatic rifle for Jesse James. During the build, Jesse James gives Flem a quick lesson in welding.
Sons of Guns: Custom BAR Build
Will Hayden runs his Red Jacket crew - including Vince - through the plans to customize a BAR for Jesse James.
Sons of Guns: First Submachine Gun
A rare gun collector brings in a German Schmeisser MP 28, a variation of the first infantry submachine introduced at the end of World War I.
What is the future of marijuana in the United States?
By 2011, marijuana had become legal or decriminalized in 15 states. But will it ever become legal? Join Cristen Conger of Stuff Mom Never Told You as she explains the controversy surrounding marijuana, and how this may (or may not) change in the future.
MythBusters: Square Wheels Aftershow
In the Square Wheels Aftershow, Adam and Jamie discuss the worth of square wheels, the difficulty they faced with steering and a square-wheeled motorcycle.
Kari, Grant and Tory answer fan questions in the aftershow for the Bird Balance and Fireworks Man myths, including their thoughts on destroying a limo and strange bird calls.
MythBusters: Revenge Of The Myths
Adam and Jamie respond to fan questions related to the water heater cannon and excavator myths, including how what they'd do differently and what they will test next.
MythBusters: Dust Devil Aftershow
Kari, Grant and Tory discuss dangerous driving, helicopter heights, actual spy drones, bunking in the Black Rock Desert and whether Grant REALLY hit Tory's car by accident.
MythBusters: Ballistics Barrel
In this episode of the Mythbusters Aftershow, Kari, Grant an Tory talk about the Ballistics Barrel myth, reminding fans that failure is always an option.