Trivia: During the Roman Empire, the woman says walk this way, and they walk like she did. This joke was featured in Young Frankenstein, as well.
Trivia: When Betty and Ollie are talking in their office (and Ralph and Macy come in), look carefully at the table all the way to the left. There's an issue of Time Magazine that says "Cult Classics," with a picture of The Rocky Horror Picture Show's famous red lips. (That film was the predecessor to Shock Treatment).