6 Season
166 Episode
The Flintstones - Season 3 Episode 20 Mother-In-Law's Visit
Yabba Dabba Doo!
With fatherhood impending, Fred promises to become more kind, considerate, and thoughtful. His willingness to change is strechted practically beyond endurance when his mother-in-law shows up to help Wilma during her pregnancy.
- Year: 1966
- Country: United States of America, Netherlands
- Genre: Family, Animation, Comedy, Kids
- Studio: ABC
- Keyword: prehistory
- Director: Joseph Barbera, William Hanna
- Cast: Alan Reed, Mel Blanc, Jean Vander Pyl, Gerry Johnson, Don Messick