Other mistake: In some episode Ethel can play the piano and in others she cant.
I Love Lucy (1951)
1 other mistake in show generally - chronological order
Starring: Lucille Ball, Desi Arnaz, Vivian Vance, William Frawley
Lucy Gets Ricky on the Radio - S1-E32
Visible crew/equipment: At the start, after Fred and Ethel walk in, when Lucy and Ethel walk away from the kitchen shutters carrying things, the stage microphone and stand can be seen at the right side of the screen. (Later in the episode, when Lucy and Ricky appear in the quiz segment an identical microphone is on stage with them). (00:00:35)
Ethel Mertz: Rome wasn't built in a day.
Fred Mertz: Well, Rome wasn't built like you either.
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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