Cable channel Boomerang, Cartoon Network’s sister network, announced a special Independence Day marathon where they will air every episode of the first prime time animated series, The Flintstones, in chronological order. Kicking things off at 6am on Wednesday, July 4, will be the original pilot, entitled The Flagstones. The series finale will air Saturday, July 7, at 5pm. All 166 episodes will run without commercial interruption.