S1·E13 RoboBrat
Aired November 30, 1985
Synopsis
When overexposure to Harriet infects heuristically mimicking Vicki with Harriet's personality traits and shrieking tantrums, Ted must purge the brat out of her at his factory -- but not before Harriet and Bonnie Brindle wonder where Vicki suddenly vanished to and summon the police.