The Flintstones (1960)|
Before Fred Flintstone and Barney Rubble belonged to the Loyal Order of Buffaloes they were members of the Loyal Order of Dinosaurs. Their lodge hall can be seen here in Season 1, Episode 2, "Hot Lips Hannigan" [00:01:36]. Their hats [00:02:00], similar to those worn by members of the Knights Templar of America, are also shown.
Hot Lips Hannigan, Season 1, Epoisode 2 (P-9). First aired: 10/07/1960. Written by Warren Foster, Director: William Hanna, Joseph Barbera