Hocus-Pocus and Frisby - S3-E30
Revealing mistake: Make-up for the space aliens was apparently changed after the closing scene in the store was shot and before any footage of the aliens' "true appearance" was actually taken. This resulted in Frisby, who is now telling the truth and finding no one to believe him, saying that the aliens had a single eye in their foreheads, when in fact, the aliens each had two eyes, in the traditional location. (00:24:00)
Other mistake: When McNulty uses the stopwatch to rob a bank, he goes through a small wooden door and past the employees. With time frozen, the small door should have stayed open but immediately swings shut.
[A bomb in Wadsworth's room is seconds from going off, causing the Chancellor to panic].
Chancellor: Please, please let me out. In the name of God, let me out. Let me out! Let me out!
Wadsworth: Yes, Chancellor. In the name of God, I will let you out.
Trivia: Producer William Froug rejected an extremely nervous young singer/actress auditioning for the part of Mary Rachel, and recalls thinking that "I'll probably kick myself. She'll probably be a big star." He turned out to be right on both counts. The aspiring young singer's name was Liza Minnelli.
Question: Who portrayed the female 'new model' alongside the male 'new model' (Edson Stroll)? She did not have a speaking part.