Adam and Jamie test whether a mattress can really cushion a watery wipeout. Meanwhile, Kari, Tory and Grant tackle a blast from the past as they test if cannonballs made of stone can really cause carnage.
Released: 2012-11-11
Runtime: 50 minutes
Genre:
Stars: Adam Savage, Jamie Hyneman, Robert Lee, Kari Byron, Tory Belleci, Grant Imahara