Colin reveals his true identity to Martin, who learns the shocking truth about Middleford. Professor Oblinski reveals that he must deactivate the central computer to stop Armageddon in Middleford. Martin finally finds Graham and Shirley, but it's too late. Wendy's suffering from a headache that threatens to explode her head. A flashback recounts how Wendy and Martin came to be in Middleford with their memory erased. Martin decides to go into the final frontier past where Middleford ends. Professor Oblinski discovers the location of the central computer but is running out of time. Sarge and Julie, now zombies, attack Joe and Wendy in the supermarket. Later, their attempt to escape Middleford is thwarted by Martin. Joe realizes what he has to do to stop the destruction. Professor Oblinski is captured, but curious new arrivals may continue the story of Middleford.