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 - chronological order
Starring: Ron Howard, Henry Winkler, Marion Ross, Tom Bosley, Erin Moran
The People vs. the Fonz - S11-E11
Factual error: When the Cunninghams are talking about Fonz's trial, Mr. Cunningham can be seen wearing a digital watch. Digital watches didn't exist in the 50's.
Richie Cunningham: So how did you do on that social studies test?
Potsie Weber: I missed that question on Alaska. I hear they want to make it a state now.
Richie Cunningham: That'll never happen.
Trivia: In Season 5, in the 3 part special (episodes 89-91) the whole gang heads to Hollywood. It is here that Fonzie jumps over a caged shark on water skiis. Today a TV show is said to have "jumped the shark" when it has passed its peak and fans feel a significant drop in quality. The phrase was popularized by the website www.jumptheshark.com.
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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