The Hatrocks and the Gruesomes
Show: The Flintstones --> Season: 5 - Season 5
AirDate: 1/22/1965
Runtime: 25
Voting: 4 (2)

Overview: Fred frets a visit from hillbilly cousins with whom older Flintstone relatives feuded a long time ago, but the stay is a pleasant one until the hosts realize the guests aren't leaving any time soon.
Don Messick
Bamm-Bamm / Telegram Delivery Boy / Hoppy (voice)