Garrett McNamara is one of the world's top big wave surfers. Now he wants to take his sport to an entirely new level - by using a helicopter to tow him into massive waves.
For the Bumper Car Myth, the MythBusters call on Road Traffic Collision instructor Marvin Ruff to teach them some "very scary" stock-car racing techniques.
Jonathan Goodwin, Terry Stroud and Mike Nelson discuss the challenges of building a human slingshot that wouldn't decapitate Jonathan during the filming of One Way Out.