Continuity mistake: When Martians Lucy and Ethel are sneaking up behind everyone on the Empire State Building, in the closeup Ethel has a toy gun tucked into her belt just as she climbs over the fence, but in the next wideshot her toy gun is already lying on the observation deck floor. (00:17:25)

I Love Lucy (1951)
1 continuity mistake in Lucy is Envious - chronological order
Starring: Lucille Ball, Desi Arnaz, Vivian Vance, William Frawley

Revealing mistake: At the Brown Derby, when Lucy bumps into the waiter causing him to trip and spill the tray all over William Holden, we can see that the waiter's hand is taped to the bottom of the tray for the stunt to be done efficiently. (00:15:15)
Lucy Ricardo: I made a funny?
Trivia: It was the first to tape before a live audience.
More questions & answers from I Love Lucy





Answer: There is no reason. It's a just a silly plot device, typical of the era. Women characters were often portrayed as making uninformed assumptions or decisions.
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