The Flintstones: Fred's Final Fling (1980)

Due to a mix-up at the doctor's office, Fred believes he has only 24 hours left to live.

IMDb rating	6.2
Producers	Hanna-Barbera Productions
Original title	The Flintstones: Fred's Final Fling
Directors	Oscar Dufau, Ray Patterson
Writers	Bob Ogle

Cast

Henry Corden

as Fred Flintstone / Monkey #2 / Turtle #2 (voice)

Mel Blanc

as Barney Rubble (voice)

Jean Vander Pyl

as Wilma Flintstone / Pebbles Flintstone / Elephant (voice)

Gay Autterson

as Betty Rubble / Nurse / Turtle #1 (voice)

John Stephenson

as Frank Frankenstone / Dinosaur / Monkey #1 (voice)

Don Messick

as Doctor / Fish #1 / Fish #2 / Parrot / Pigasaurus (voice)