Trivia

This was the first episode in which Estelle Getty was seen without her wrinkled make up and white wig.

When Mr. Ha Ha begins inviting kids up to the stage for the "birthday parade," they are named after two of the show's production staff: Robert Spina, who was a production associate, and Jeannie Taylor, who was among the production staff.

First appearance of Sid Melton as Salvador Petrillo, albeit in a voiceover role.

This episode aired four days before Bea Arthurs 65th birthday.

Alan Blumenfeld, who played Mr. Ha Ha, also appeared in Season One's Second Motherhood (1986), as Lou the plumber.