Final episode to feature Robert Reed as Mike Brady. Reed did not appear in the series finale.
Cindy wears the same blue plaid pants in each of the last 4 episodes. She does wear a different shirt each time.
During the scenes in the carport, boxes from Driscoll's Toy Shop are clearly visible. In season one, the store came up multiple times, especially in "The Hero" (s1e21), in which Peter saves a little girl at the store.
According to "8-Ball on the Silver Screen", Mike Lookinland did not make any of the shots in the dream sequence. Furthermore, no one is credited as a billiards consultant (or stand-in).
Jim Backus returned as a guest star for this episode. He had previously appeared in "Ghost Town, U.S.A." (s3e1) and "Grand Canyon Or Bust" (s3e2).