In An Instant (2015)
S05E10 The Most Beautiful Baby in Bedrock
Episode Overview
During a baby competition at the lodge, a rivalry erupts between the Flintstones and the Rubbles as they argue over whose child is the most adorable in Bedrock. Frustrated by the escalating conflict, Pebbles and Bamm Bamm decide to leave, feeling disheartened by their parents' bickering.