The Flintstones (1960)

Cave Scout Jamboree - S4-E20

Continuity mistake: When Betty is combing Wilma's hair, the items on the dressing table next to Wilma change position between shots.

Ten Little Flintstones - S4-E16

Continuity mistake: When the spaceship lands for the second and last time during the episode's finale, it appears to be night-time, but when Fred is chasing all of his duplicates down the street, it appears to be daylight.

Cave Scout Jamboree - S4-E20

Continuity mistake: When Fred and Barney are singing "Old MacDonald" with the international scouts, the groups' signs aren't consistent. At first, they have the names of the countries, but later on they have the names of the languages.