Flintstones theme: What is theme?

A theme for BBC One’s Flintstones, a children’s TV series.The Flintstones’ main character is named “Flintstone”.Here he is playing with his toy car in the background.The series is produced by Twentieth Century Fox Television.Here, a young Flintstone is seen with his friend Bubbles in the Flintstones home.Here he sits at a table in his house.The …