The Pawn Stars run for their lives when they come face-to-face with the fire-breathing, 31-ton mammoth Robosaurus. Will the guys stare down this car-crushing behemoth to make a deal or did they bite off more than they can chew? Then, Rick and Chumlee are presented with a cast iron Uncle Sam coin bank from 1886. Can they convince the seller to make fair withdrawal or will he cash out? And... see more