"Come as you are" with the Pawn Stars when a guitar pedal used by Kurt Cobain jams into the shop. Will this piece of rock History lead Corey to Nirvana, or will his concerns force him to "Stay Away?" Then, Rick becomes a believer when an 1842 Book of Mormon looks to be the most expensive book to ever come through his door. Will he be singing Hallelujah after book expert Rebecca takes a look or praying for salvation? And later, Chum decides to celebrate some of the lesser known holidays. Will Rick get in the spirit or beat him at his own game?