Adam explains what made him go "AHHHHH!!!!!" during the testing of this scene from Headhunters, while Jamie laments "turning something out that was that unprofessional and ... globby."

See what happens when a truck-driving Adam collides with a car at 50 mph, which explains his "My sphincter tightened!" comment.

It's Jamie Hyneman crashing a truck at 50 mph into a car with a human analogue in the back seat. What's not to love?

See his freak fly when all Tory Belleci has for company during a long drive is ... Buster.

See in glorious slow motion Jamie and Adam drive a truck 50 mph into a stationary car. (And yes, it was freaky for them.)

Adam and Jamie discuss their fears of technology in the 21st century.

Kari, Grant and Tory discuss the pitfalls of driving erratically on a non-closed course; plus, find out how you compare with the MythBusters when it comes to deciding it's time to get gas.

Sit with Adam in the cockpit as he drives a truck into a stationary car at 50 mph (and see why Jamie says, "That's just ... awful.").

Does driving more slowly save you fuel? Watch as Kari, Grant and Tory go in circles -- literally -- to find out.

While Adam and Jamie don't always get along, they are excellent collaborators. See what happens when the driver's not ACTUALLY in the driver's seat.

Before deploying your cat-deterrent remedies, Grant and Tory do a control test to see where kitties will ... er, "go about their business."

Kari, Tory and Grant answer fan questions about the Indy Car Special.

Adam and Jamie answer fan questions about the Indy Car Special.

It may not have lifted a manhole cover with its speed, but this race car, at 148 mph, is FAST. Watch it fly from every angle, including the car itself.

Relying on sling-shot acceleration, Adam builds a small-scale of the manhole-cover speed test. But is it conclusive?

It's 700 horsepower vs. The Hyneman ... who will win? Shockingly ... well, watch and see.