Dennis the Menace (1959)
0 continuity mistakes in season 3
Starring: Gloria Henry, Herbert Anderson, Jay North
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Dennis Haunts a House - S1-E13
Continuity mistake: Alice picks up a cup of coffee with her right hand. In the next shot, both the cup and her hand are on the table. (00:07:20)
George Wilson: And to think I threw out all my nerve medicine!