Complex sentence: Heavily promoted during ABC's broadcast of the 1984 Summer Olympics; its pilot episode, which aired August 13,1984, related to the U- 2 flights over Cuba during the 1962 Cuban Missile Crisis.
Split into simpler sentences: Heavily promoted during ABC's broadcast of the 1984 Summer Olympics, the pilot episode aired August 13,1984. The first episode related to the U- 2 flights over Cuba during the 1962 Cuban Missile Crisis.