Complex sentence: Running for two seasons of 13 episodes each, the show was based loosely on the real-life Project Blue Book, the show was created by Jack Webb, who pored through Air Force files looking for episode ideas.
Split into simpler sentences: Running for two seasons of 13 episodes each, the show was based loosely on the real-life Project Blue Book. The show was created by Jack Webb, who pored through Air Force files looking for episode ideas.