Synopsis
Jessica chooses Chester, but offers to let Donohue stay in the Tate house until he recovers from the shock. The aliens tell Burt that they plan to replace him with a replica. Carol's mother introduces Jodie to his newborn daughter, Wendy. Benson, Chester, Donohue and the Major prepare to rescue Billy from the cult. Burt's alien double moves in with the unsuspecting Mary.