Celebrate Rick Harrison's last days of freedom, as the Pawn Stars throw him a bachelor party. Can he survive what they have planned? Then, a rare salesman's copy of "The Adventures of Tom Sawyer" comes in the shop. A prospectus used for selling the book door to door, will the guys be sold? And later, the Old Man schools Lili the intern on Vegas history when some vintage casino chips come into the shop. Is this deal worth going all in?