I Love Lucy - Season 2 - Eps 22: No Children Allowed
When a cranky tenant (Elizabeth Patterson, in her first appearance as Mrs. Trumble,) threatens to move because of Little Ricky's loud crying, Ethel makes it clear that her friendship with Lucy is more important than a rental agreement. But Ethel doesn't let the Ricardos forget her loyalty.
About I Love Lucy

Title: I Love Lucy
First Air Date: 1951-10-15
Last Air Date: 1957-05-06
Status: Ended
Rating: 7.905/10 (from 226 votes)
Language: EN
Seasons: 7
Total Episodes: 180
Network: CBS
Genres: Comedy, Family
Production Companies: Desilu Productions
Synopsis
Cuban Bandleader Ricky Ricardo would be happy if his wife Lucy would just be a housewife. Instead she tries constantly to perform at the Tropicana where he works, and make life comically frantic in the apartment building they share with landlords Fred and Ethel Mertz, who also happen to be their best friends.
Cast

Lucille Ball
Lucy Ricardo

Desi Arnaz
Ricky Ricardo

Vivian Vance
Ethel Mertz

William Frawley
Fred Mertz