Deliberate mistake: When George spies on his hedonistic neighbor down the hill with his telescope, the telescope is always level when it actually should have been pointing downward. Same when his neighbor spied on him - his telescope was always level also when it should have pointing upward.
10 (1979)
1 deliberate mistake - chronological order
Directed by: Blake Edwards
Starring: Julie Andrews, Dudley Moore, Bo Derek, Robert Webber
Deliberate mistake: When George spies on his hedonistic neighbor down the hill with his telescope, the telescope is always level when it actually should have been pointing downward. Same when his neighbor spied on him - his telescope was always level also when it should have pointing upward.
George Webber: If you were dancing with your wife, or girlfriend you knew in high school, and you said to her, Darling, they're playing our song, do you know what they'd be playing?
Don: What?
George Webber: Why Don't We Do It In The Road. Fuckin' hell kind of era is that?
Trivia: Bo Derek's character in this film is Jenny Hanley - the same name as the presenter of the children's television show "Magpie".