One by one, patrons and staff alike are succumbing to an unknown virus and acting very strange. The customers at The Khaki Barn seem much pastier than usual. Wyatt finds a human thumb in his taco. Coach Halder has taken to biting customers, and Caitlin's new boyfriend has turned pasty gray and has really nasty breath - eww! And we won't even mention what becomes of poor Pokey the Panda. It doesn't take the gang long to realize what's happened - the mall has been overtaken by ZOMBIES!.