I Yabba Dabba Do! 31 years old

A grown-up Pebbles and Bamm-Bamm decide to get married.

Credits

Name	Character
Frank Welker He was 41, now 73 years old	as Barney Rubble
June Foray She was 75, 99 years old when she died	as Various voices
William Hanna He was 82, 90 years old when he died	as William
B. J. Ward She was 48, now 80 years old	as Betty
Megan Mullally She was 34, now 66 years old	as Pebbles
Henry Corden He was 73, 85 years old when he died	as Fred Flintstone
John Stephenson He was 69, 91 years old when he died	as Mr. Slate
Jean Vander Pyl She was 73, 79 years old when she died	as Wilma / Mrs. Slate
Kip King He was 55, 72 years old when he died	as Additional Voices (voice)
Jerry Houser He was 40, now 72 years old	as Bamm-Bamm

Name	Department
R.S. Allen as Screenplay. He was 68 (57) years old when He died	Writing
R.S. Allen as Screenstory. He was 68 (57) years old when He died	Writing
Warren Foster as Story. He was 88 (67) years old when He died	Writing
Harvey Bullock as Screenplay. He was 71 (84) years old when He died	Writing
Harvey Bullock as Screenstory. He was 71 (84) years old when He died	Writing
Rich Fogel as Writer.	Writing
Alex Lovy as Story. He was 79 (78) years old when He died	Writing
Ted Nichols as Original Music Composer. He was 64 (now 96) years old	Sound
Marty Paich as Original Music Composer. He was 68 (70) years old when He died	Sound
Richard Olso as Sound Director.	Sound
Bill Getty as Sound Director.	Sound
Doug Goodwin as Songs. He was 50 (now 82) years old	Sound
John McCarthy as Songs. He was 65 (84) years old when He died	Sound