Punkin Chunkin SuperChunk!

As the 2011 Punkin Chunkin Championship approaches, air cannon American Chunker goes high-tech, Chunk legend Fat Jimmy attempts to build a new catapult and team Launch-Ness Monster updates their revolutionary trebuchet. Grant Imahara of MythBusters hosts.

As Punkin Chunkin 2011 draws closer six-time champ Yankee Siege builds a new trebuchet, a soldier returns from war to captain torsion team Alesia Gaul Buster and human-powered Pumpkin Slayer gets a workout. Tory Belleci of MythBusters hosts.

With Punkin Chunkin 2011 almost here trebuchet First in Fright gets a risky upgrade, centrifugal underdogs Inertia II attempt the unthinkable and last year's air cannon champ Hormone Blaster comes under fire. Kari Byron of MythBusters hosts.

Mythbusters Kari Byron, Tory Belleci and Grant Imahara host Punkin' Chunkin' 2011 from Bridgeville, Delaware. 120 teams of backyard engineers will attempt to launch a pumpkin as far as possible and take home the title of the world's furthest chunk.