This episode marks Pat O'Brien's final acting role of his career.
Fonzie says that Grandma Nussbaum raised him until he was ten years old. However, in the episode "Fonzie Moves In," which aired 6 and 1/2 years earlier, Fonzie tells Richie, Potsie, and Ralph, that Grandma Nussbaum is visting from Miami and that she hasn't seen him since he was six.
"How Am I Gonna Sing"
Anson Williams and Al Molinaro do not appear in (at least) the syndicated version of this episode.