Kevin's assistant, Ashley, learns about comic book retail at the Stash; pro wrestlers want to sell their comic.

The guys attend a KISS concert; Walt lives out his childhood dream of meeting Gene Simmons.

Walt challenges the others to perform stand-up routines; a collector brings in Marvel comics from the 1960s.

Adam West visits and a race between the Batmobile and Black Beauty ensues.

Billy Dee Williams stops by the store to win the Millennium Falcon the same way Lando lost it: a high-stakes card game.

Kevin Smith sends his daughter to the Stash to learn how to be a clerk; a customer wants to sell rare and unusual "Rocky" action figures.

Jason Mewes hangs out and plays clerk at the Stash; Walt wants to acquire a mysterious recreation of comic book art.

Walt considers buying the hand and footprints of Adam West and Burt Ward; a rare set of Star Wars comic strips.

Darryl McDaniels of Run DMC brings his new comic to the Stash; the guys look at a Marvel Silver Age number one issue.

A returning customer brings in a toy that Walt always coveted; an aspiring student brings in an autographed book.

Artist Neal Adams and writer Denny O'Neil visit the Stash; the guys see a set of 50-year-old Batman night lights.

The co-creator of Teenage Mutant Ninja Turtles, Kevin Eastman, brings in early sketches of the turtles.

The guys agree to baby-sit a friend's daughter for the afternoon; an Indiana Jones superfan has items from the films.

Butch Patrick (Eddie Munster) stops by the Stash; a rare Star Wars action figure.

Walt has a business proposition for original Ghostbuster, Ernie Hudson; a customer wants to sell cartoon shampoo bottles from the 1960s.

Walt and the others attend BronyCon, a convention for "My Little Pony" fans; a customer wants to sell a Godzilla board game from the 1970s.