Memories of Cab 804 (2) - S1-E12
Revealing mistake: The gang is talking about their experiences in Cab 804 but when Elaine's segment begins, Tom Selleck gets in the cab and the cab number is 264.
Revealing mistake: When Mork rollerskates into the wall, the wall moves slightly.
Revealing mistake: When they switch over to a rock format at the station, Dr. Johnny Fever puts on the first record and sets up the needle. The needle then proceeds to ride across the entire record when it starts to spin all the way to the center of the record.