The longest running U.S. primetime television show of all time is "The Simpsons." It has been on the air since 1989 and has over 700 episodes. The show follows the lives of the Simpson family and their neighbors in the town of Springfield.
The longest running U.S. primetime television show of all time is The Simpsons. The animated sitcom has been on the air since 1989 and has aired over 700 episodes.
