Plot hole: Both couples have the same group of friends and they were all invited to both going away parties planned on the same night at the same location. Isn't it likely that at least one of the main characters would have found out about the other party? But at the end, all seem surprised about the other party that was planned for them.
I Love Lucy (1951)
1 mistake in Drafted
Starring: Lucille Ball, Desi Arnaz, Vivian Vance, William Frawley
Ricky Ricardo: Fred, how often is Ethel's checking account overdrawn?
Fred Mertz: Never.
Ricky Ricardo: Never? How do you manage that?
Ethel Mertz: It's easy. I never had enough money at one time to open a checking account.
Fred Mertz: She spends money like I'm printing it in the basement.
Trivia: Fred and Ethel's bickering relationship didn't require much acting; in real life Vivian Vance and William Frawley didn't care for each other at all.
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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