The Peterson Principle - S4-E18
Continuity mistake: When Norm says "you're right, guys don't tell on other guys" the cigar he is holding suddenly moves to the beer mug in front of him.
Cheers (1982)
1 mistake in The Peterson Principle
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One for the Road (3) - S11-E28
Trivia: The last line ever in this series was, "Sorry, we're closed."
One for the Road (1) - S11-E26
Question: Is it true they wanted to get Glenn Close to make a cameo as Vera Peterson in the last episode? I swear I saw photos in an entertainment mag of her filming a scene for the final episode, with the joke being Norm's long-insulted wife was actually very beautiful and classy.