MythBusters: Drain Disaster
In the aftershow for Drain Disaster, Adam and Jamie answer fan questions from why they didn't visit a sewer themselves, the role of obstacles in the small-scale tests and what fascinated them about this myth.
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Frozen Planet: Killer Whales "Wave Wash" Seal
A pod of orcas, or killer whales, cooperate to wash a Weddell seal off an ice floe. This sequence, filmed for Frozen Planet, marks the first complete filming of killer whale "wave washing" behavior.
Sons of Guns: Desert AR15 Debut
Before General Darden arrives for the big test, Will lets one of the nuclear facility security contractors try out the Desert AR15 assault rifle on a couple of targets.
Earth: Bioluminescent Waves Explained
Multiple videos of bioluminescent waves off the coast of California have us wondering: What kind of otherworldly phenomenon is this? To find out, Jorge Ribas talks to a marine biologist.
What is the future of the penny?
U.S. pennies have been around for centuries, but their days may be numbered. In this episode, Ben Bowlin looks at the arguments for and against the penny. Tune in to learn more about the future of currency.
MythBusters: Grenade Blast Zone
The MythBusters test a grenade blast to see how far away you must be from the explosion for the shockwave to not kill you.
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.
Frozen Planet: Gray Wolves Chase Down Bison
A pack of northern gray wolves harass and then attack a herd of wood bison. This is the first time wolves have been filmed hunting bison, both from the ground and from the air.
Frozen Planet: Awkward Sea Lion Chases Penguin
A group of Gentoo penguins needs to go fishing but a Southern sea lion stands between them and their meals.
MythBusters: Extended V MiniMyth
Could airplanes save fuel by flying in a more realistic -- and safer -- EXTENDED V-formation? See what Kari, Grant and Tory concluded.
Frozen Planet: Woolly Bear Caterpillar
Frozen Planet producer Vanessa Berlowitz takes you behind the scenes of one of only four scenes in the series that were shot under controlled conditions.
Oddities: Yearning for a Gurney
SETI Institute is Earth's "welcome mat" for extra-terrestrial intelligence, where dozens of scientists are examining signals from space, and exploring our evolutionary history to find out if life could have happened elsewhere in the universe.
Kari, Grant and Tory discuss how they use their acquired stunt driving skills and who drives the craziest outside of work in the aftershow for the "Date Night" myth.
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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.