The Gruesomes (The Flintstones) Manor which is next door to the Flintstones. Trying to be neighborly, Fred and Barney agree to babysit Gobby, whose strange pets (including Schneider the spider and Occy the octopus) make for a tortuously eventful evening. After spending the evening at The Gruesomes' haunted mansion, Fred angrily tells Wilma that they are moving away from Bedrock. He then changes his mind when he sees Pebbles watching the "At Home With the Gruesomes" TV show. The family reappears in the episode "The Hatrocks and the Gruesomes". The Hatrocks, who are hillbilly friends of Fred, come to visit but soon become an
The Flintstones not seen again until episode 101, "Daddies Anonymous" (Bamm-Bamm was in a teaser on episode 98, "Kleptomaniac Pebbles"). Another story arc, occurring in the final season, centered on Fred and Barney's dealings with the Great Gazoo (voiced by Harvey Korman). After Pebbles' birth, the tone and writing became more juvenile and ratings from the adult demographic began to decline. The last original episode was broadcast on April 1, 1966. The first three seasons of "The Flintstones" aired Friday nights at 8:30 on ABC. Season four and part of season five aired Thursdays at 7:30. The rest of the series aired