Episode #411 "Two-Faced Dick"

Chaos ensues when the Big Giant Head, responding to a three-year-old request, switches Sally's body with Dick's. Both Dick and Sally are completely freaked out to be in different bodies. Harry immediately puts in a request for them to be returned to their original bodies but they're informed that they've been put on a waiting list. Sally as Dick has no idea how to teach physics, and the class ends up discussing shopping. Harry and Tommy are intimidated by a couple of tough looking guys who spend a lot of time at the bar. Sally as Dick quickly manages to alienate Mary, while Dick as Sally does the same with Don. Both Dick and Sally are worried about what will happen to their romantic relationships while their bodies are switched. Harry tells them that if they don't work together they're going to lose Don and Mary. As a result, every time Mary interacts with Dick as Sally and Don interacts with Sally as Dick, Mary and Don have the funny feeling they're being hit on. Harry's and Tommy's worst fears are realized when the tough guys, Riff and Raff, demand they empty the cash register. After two days, to their great relief, the Big Giant Head comes through and returns Dick and Sally to their original bodies.