Tough as Nails Executive Producer and Host Phil Keoghan joins Rob Cesternino, Jessica Liese, and Mike Bloom to recap season 1, episode 3 of the new hit CBS reality show Tough as Nails. According to CBS.com, "Heavy Metal" was about: "The crew competes in a series of challenges at a junk yard, where they must take apart a car and retrieve auto parts. Next, the last two standing need all the strength they can spare in an overtime challenge removing tires from the rims."