Revealing mistake: When Arnold's burns down you can see the set walls wobble a lot.
Happy Days (1974)
1 revealing mistake in season 7
Starring: Ron Howard, Henry Winkler, Marion Ross, Tom Bosley, Erin Moran
Factual error: The show is set in the fifties but Fonzie has a Mustang hubcap on the wall of his garage. The first Mustang came out in 1964.
The Fonz: Heyyy.
Trivia: In many episodes you can see a pennant near the jukebox that reads Stacey vertically. That's in homage to Henry Winkler's wife, Stacey Weitzman.
Question: In season one, whatever happened to Chuck Cunningham? He was only in a few episodes.
Answer: He was written off the series, never to be mentioned again as if he never existed. As a matter of fact, according to the final episode, he never did exist.
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