Howard: Incidentally, ladies and gentlemen, the locks used here were supplied and certified to be authentic by Cunningham Hardware.
Reportedly, for Fonzie to be able to do the milk-can escape, there was an empty jar inside the can. He opened the jar, and the air inside rose to the top of the can where he could breath it in.
Kathleen Marshall is credited as "Kathi Marshall."
James Randi is a real-life magician/escape artist.
According to Ron Howard's introduction, all of the magic tricks seen in this episode were done live, and there was no trick photography.