The guys throw a birthday bash and later, a customer brings in unusual "Star Wars" memorabilia.

All bets are on when the guys take in a local auction, while a customer discovers that cigars and comic books don't mix.

The guys go on a quest to find the legendary Jersey Devil; and a customer tries to unload ThunderCat figures.

Ming gets to run the store when Walt and Mike take sick; and a customer has first issues of "Iron Man" and "Daredevil" to sell.

Ming convinces the other guys to let him represent the Stash in the town's annual sidewalk sale.

Kevin holds a 5km zombie run for charity, and Ming and Mike agree to participate; Walt deals for an odd item containing autographs from the 1966 "Batman" TV series.

Kevin visits the Stash for a book signing; Jay acts as security; a customer brings in original artwork.

The staff prep for a visit from Stan Lee; and Walt has the opportunity to purchase one of the most coveted comic books of the past two decades.

In order for the guys to attend a costumed mixed-martial-arts competition, the store agrees to sell an independent comic book, while Walt picks up some pairs of themed underwear.

The guys compete to concoct a special sandwich to represent the Stash; and an extremely rare comic book is brought in.

Walt works a deal for an original Asteroids arcade cabinet, while Ming has a thing for his childhood G.I. Joes.

The guys hold an auction to help a friend sell a collection; and a customer expresses a kinship with a Spider-Man nemesis.

A customer tries an unusual strategy to sell a popular gaming system, while Ming purchases more nostalgic childhood memorabilia.

The guys create their own comic book, while Walt enlists the help of a pop-culture expert in a bid to purchase a signed issue of Creepy magazine.

The guys play charades with a comic-book theme, while Walt seizes an opportunity to purchase original artwork from a favorite artist.

Walt approaches his 15th anniversary at the Stash, so Ming plans a surprise for him; later, Walt gives Ming a lesson in patience while selling a giant-size X-Men No. 1.