As child actors at MGM, Dean Stockwell and Roddy McDowall were classmates at MGM's Little Red Schoolhouse on the studio lot.
This is the first time it is mentioned that success of the objective is not needed for leaping.
This is the first episode where Ziggy is referred to as a "Her" instead of "Him"
This is the first episode to feature the Waiting Room.
Al was born on June 15, 1934.