The Big Bang Theory Season 9 To Premiere On September 21

The Big Bang Theory Season 9 will premiere September 21 at 8 p.m. ET on CBS.

The show will resume its normal 8 p.m. Thursday time slot on November 5.

The 24-episode season will feature returning cast members Johnny Galecki as Leonard Hofstadter, Jim Parsons as Sheldon Cooper, Kaley Cuoco-Sweeting as Penny, Simon Helberg as Howard Wolowitz, Kunal Nayyar as Rajesh Koothrappali, Mayim Bialik as Amy Farrah Fowler, Melissa Rauch as Bernadette Rostenkowski-Wolowitz, and Kevin Sussman as Stuart Bloom.