Seinfeld Season 4 Episode 5 : The Wallet

Jerry's parents come to town to see a back specialist, they hear about "Crazy" Joe not liking Jerry and ask about the watch they gave him. George "negotiates" the deal with the NBC and gets a box of cigars from Susan's father. While at the doctor's office Morty's wallet is "stolen." Elaine returns from her trip and tries to end her relationship with her shrink. The deal with NBC is lost.