Survivor (American TV series)
The United States version is produced by Mark Burnett and hosted by Jeff Probst. It is shown on Thursdays on CBS. The first season of Survivor was broadcast as a summer replacement show in 2000. Since then the show has been broadcast each U.S. television season. Each competition is called a season, but each season has a different name, and lasts from 13 to 15 episodes. Starting with Survivor: The Australian Outback there have been two Survivor seasons shown during each U.S. television season.