I Love Lucy - Season 5 - Eps 15: Lucy Meets the Queen
Lucy is thrilled at being in London and desperate to see the Queen. She misses the Queen at Buckingham Palace, where she gets involved in the changing of the guard. Ricky is invited to meet the Royal Family when they attend a special performance at the Palladium. Lucy is not included in the invitation, but she has no intention of letting it go at that.
About I Love Lucy

Title: I Love Lucy
First Air Date: 1951-10-15
Last Air Date: 1957-05-06
Status: Ended
Rating: 7.9/10 (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