Jeff Probst reveals changes and celebrity involvement in new 90-minute 'Survivor' episodes

The 45th season of 'Survivor' will feature 90-minute episodes for the first time in the show's history.
The longer episodes will allow for more complex challenges and the return of the auction challenge segment.
Singer Sia, a longtime 'Survivor' superfan, will be involved in giving out cash prizes to her favorite contestants.
Host Jeff Probst pushed for years to extend the show's running time to allow for more creative content.
The new season premieres September 27 and promises exciting twists and intense competition between strategists.