When Marty's hat is stolen by Hobo Jeb, everyone thinks Hobo Jeb is Marty. Holly and Marty have to get the toons to look past the superficial. And when that doesn't work, well, he has to steal his hat and identity back.
When Marty takes over the doctor's annual job of recalibrating the toons, he and Suki make a mess of things. Marty races against the clock to get their calibrations to stop ToonVille from exploding into the toon-abyss.
When Chef tires of chasing Chicken he finds an even better prey: Marty. Or so he thinks. Chicken helps Marty escape Chef's cleaver, and Marty gives Chicken some etiquette training to get her old job back.