The first episode where Kelsey Grammer was added to the opening credits with a new picture card. Nicholas Colasanto's picture card remained in the credits for the fourth season, without the name, until this episode.
Cliff promises Carla a date who looks like Robert Redford. Carla's actual date, Lucas, is played by Timothy Scott, who was in two films starring Robert Redford: Butch Cassidy and the Sundance Kid (1969) and The Electric Horseman (1979).
This Episode Aired The Week Of The Space Challenger explosion