CBS announces ninth season premiere Posted August 25, 2015

CBS announces ninth season premiere

CBS has put out the press release for the ninth season premiere of The Big Bang Theory, "The Matrimonial Momentum", which airs Monday, September 21. Laurie Metcalf reprises her role as Sheldon's mother, Mary Cooper.

The Matrimonial Momentum – After driving to Vegas to get married, Penny struggles with Leonard’s confession that he kissed another girl. Also, Sheldon doesn’t know how to act after Amy pushes pause on their relationship, on the ninth season premiere of THE BIG BANG THEORY, Monday, Sept. 21 (8:00-8:31 PM, ET/PT), on the CBS Television Network.

The Big Bang Theory will again be starting the seasons on Monday nights as Thursday Night Football occupies its regular slot. The show will move back to Thursdays on November 5.

More about the episode

'The Matrimonial Momentum' - Season 9, Episode 1
Aired September 21, 2015 at 8/7c on CBS.

When Penny and Leonard arrive in Vegas to get married, Penny is still thinking about Leonard's admission that he kissed another girl. Meanwhile, Sheldon doesn't know what to think after Amy calls time on their relationship.

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