Leprechauns use Dr. Weird's Rainbow Machine to mug people from afar, apparently for shoes. Although they don't end up with anything more than a gold chain, a Banarama tape with no case and rollerskates.
Master Shake is kidnapped by returning characters Emory and Oglethorpe. The two aliens replace him with a "replicant", but Frylock and Meatwad soon realize that the Shake "replicant" doesn't resemble Shake at all.
DP and Skeeter, fraternity brothers from outer space, get lost along the way back home and crash on earth. They quickly become unwanted and Skeeter pulls out but leaves DP behind to be handled by the Aqua Teens.