Dennis the Menace (1959)
0 character mistakes in season 1 - chronological order
Starring: Gloria Henry, Herbert Anderson, Jay North
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Dennis' Penny Collection - S2-E14
Character mistake: When Dennis sees Mr. Wilson park his car and put a penny in the parking meter, he asks, "Did you notice the date on it?" Mr. Wilson tells him, "It was 1492." (00:21:15)
George Wilson: And to think I threw out all my nerve medicine!