The tenth season of the American television sitcom The Big Bang Theory aired on CBS from September 19, 2016 to May 11, 2017.

In May 2016, CBS announced at its annual upfront presentation that the series would begin its tenth season on Mondays, before returning to the Thursday slot once the football games ended.

[1] Filming for the tenth season began on August 16, 2016, according to posts on Instagram and Twitter by several of the cast members including Kaley Cuoco and Mayim Bialik.

Variety announced on July 22, 2016, that Katey Sagal and Jack McBrayer had been cast as Penny's mother and brother, respectively.

[8] Entertainment Weekly reported on August 10, 2016, a week before filming began, that Dean Norris would have a multi-episode arc in the tenth season, and would be playing Colonel Williams, a tough officer from the Air Force Research Laboratory, who is interested in the men's quantum gyroscope for military applications.