Rick and Chum rack up points testing the merchandise at a pinball paradise. Will their fun with flippers lead to a score? Then, Corey saddles up to an obscure piece of WWII history. Next, Chum sleuths out a sale on a rare set of Sherlock Holmes books, but will he get a good read on the negotiation. Later, Rick welcomes Guns N' Roses guitarist ASHBA to the jungle that is the shop and they riff over some heavy metal. (thetvdb.com)