 In the first episode of this arrangement, "The Apartment", Richie also moved in with them but, due to the pair's continual squabbling, Richie decided to move back home.In one episode where they were feuding, "Ralph vs. Potsie", they divided the apartment with white tape and assigned each other one side of the room, but they eventually patched up their differences.Ralph returns home after being honorably discharged from the U.S. Army in the episode entitled "Welcome Home" and he decides to become an optometrist just like his father.