Why They Kept Changing Phone Numbers
The producers of I Love Lucy had to change the phone numbers shown in the show again and again. This happened so they did not use numbers in service. The Ricardos had two different numbers, while the Mertzes had four.
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Bonuses For Making Everyone Laugh
There was one tradition that stuck with the show until the end. Whenever an actor managed to make the audience break into spontaneous applause, said person received a silver dollar! We bet it lasted so long because it was an effective trick.