When the rats in Moe's Tavern take flight and make plans to take over Springfield, there is only one mighty force that can stand in the way of The Rat Pack. Prepare yourself for the derring-do of the Unleashed Legion! Then, Bartman is on the case, when people all over Springfield fall victim to random hairnappings. Finally, one of Radioactive Man's adversaries will get a second chance at defeating the Atomic Avenger when he makes his return as the Retroactive Man!