We may get to find out who would win in the titanic battle between Adam and Jamie and the legendary Vegas magicians. The two pairs of geek icons are launching a serious rivalry now that they're back-to-back on Wednesday evenings, judging from this exclusive new promo that Discovery sent us. So who's got your bet?

Mythbusters returns to Discovery this Wednesday at 9 PM, with Penn and Teller Tell A Lie starting Wednesday, Oct. 5 at 10 PM.