Newlyweds Pebbles Flintstone and Bamm Bamm Rubble are expecting a newborn, so Fred and Wilma head for Hollyrock to help them cope.
Henry Corden
as Fred Flintstone (voice)
Jean Vander Pyl
as Wilma Flintstone (voice)
Frank Welker
as Barney Rubble / Dino / J. Rocko (voice)
Kath Soucie
as Pebbles Flintstone Rubble (voice)
Jerry Houser
as Bamm-Bamm Rubble (voice)
Russi Taylor
as Baby Pebbles (voice)
B.J. Ward
as Betty Rubble (voice)
Don Messick
as Baby Bamm-Bamm/Lot Security Guard/Tour Bus Driver (voice)
John Stephenson
as Mr. Slate (voice)
Janet Waldo
as Mrs. Slaghoople (voice)
Raquel Welch
as Shelly Millstone (voice)
Mark Hamill
as Slick (voice)
