The Flintstones turns 50: The five dumbest moments
2. The Pebbles and Bamm-Bamm Show
They grow up so fast.
Hungry for another hit, Hanna Barbera greenlit several Flintstones spin-off shows.
The most curious was 1971's The Pebbles and Bamm-Bamm Show, which recast the prehistoric pair as teenagers. Mercifully, these misadventures at Bedrock High School only lasted one season.