The Flintstones - Season 4 - Eps 18: Bedrock Hillbillies
Fred inherits a shack in the hills from his hillbilly relatives, and with it a hundred-year-old feud with the Hatrock clan. Fred settles the feud by rescuing a Hatrock baby, by then starts it anew by insulting the Hatrock matriarch.
About The Flintstones

Title: The Flintstones
First Air Date: 1960-09-30
Last Air Date: 1966-04-01
Status: Ended
Rating: 7.427/10 (from 924 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)