The Flintstones - Season 1 - Eps 9: The Engagement Ring
Barney decides to surprise Betty with a belated engagement ring, which he gives to Fred for safekeeping. But Wilma discovers the ring and assumes it is a gift for her. Not wanting to shatter her illusions, Fred decides to buy a second ring, but doesn't have the cash. He cons Barney into going several rounds with a boxing champ in order to win a $500 prize.
About The Flintstones

Title: The Flintstones
First Air Date: 1960-09-30
Last Air Date: 1966-04-01
Status: Ended
Rating: 7.409/10 (from 910 votes)
Language: EN
Seasons: 7
Total Episodes: 166
Network: ABC
Genres: Family, Animation, Comedy, Kids
Production Companies: Hanna-Barbera Productions, Screen Gems Television
Synopsis
The misadventures of two modern-day Stone Age families, the Flintstones and the Rubbles.
Cast

Alan Reed
Fred Flintstone (voice)

Mel Blanc
Barney Rubble (voice)

Jean Vander Pyl
Wilma Flintstone (voice)

Gerry Johnson
Betty Rubble (voice)

Don Messick
Bamm-Bamm Rubble (voice)