Fred and Barney wind up on an adventure and are seen in a TV show calledSmile, You're on My Favorite Crime.
Guest Cast

Don Messick
voices Hoppy
Allan Melvin
voices BoudlerCast Appearances

Alan Reed
voices Fred Flintstone
Don Messick
voices Bamm-Bamm Rubble
Jean Vander Pyl
voices Wilma Flintstone
Mel Blanc
voices Barney Rubble
Gerry Johnson
voices Betty RubbleEpisode Discussion
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