Exploding Jawbreaker

In this episode, the Mythbusters and "Mythbuilders" test: -If it's possible that a hot Jawbreaker explodes in your mouth and causes you serious burns. -They test if a normal playing card can kill you if is thrown fast, with the help of an expert and Adam's talent... -Finally, they see if it's possible that a construction worker died from sandblasting a PVC pipe due the electric properties of this material.