The episode "The Prowler" was banned from re-running in 1994 due to stereotypes against Asian-Americans, except in 1996 during the "Every Flintstones Ever" marathon, clips of the controversial "Judo Lesson" scene were also shown in the 2000 special "The Flintstones: Behind The Boulders" (which also noted the old ...

The original name of the series in which a pilot was even made, was "The Flagstones". When it was realized that the "Hi and Lois" characters' surname was Flagston, the name was changed. The name "Gladstones" was considered and actually appeared on a number of sketches before the final change to "Flintstones".

Her name is Pebbles. She got her name in the same episode in which she was born: when Fred and Barney see the baby for the first time in Wilma's hospital room, Barney comments that the baby “looks like a chip off the old block.” Fred replies, “More like a pebble off the old Flintstone!”, and Wilma exclaims, “Fred!

William Hanna was honest about the inspiration, saying, "At that time, The Honeymooners was the most popular show on the air, and for my bill, the funniest. The characters, I thought, were terrific. Now, that influenced greatly what we did with The Flintstones ...