Things will get awkward on The Big Bang Theory.
After Sheldon's mother and Leonard's father share an evening together, everyone deals with an awkward morning the next day on the 10th season premiere of The Big Bang Theory airing Monday, Sept. 19 at 8/7c. Christine Baranski, Laurie Metcalf, Judd Hirsch, and Keith Carradine return. Also, Dean Norris, Jack McBrayer and Katey Sagal will be guest starring.
Watch The Big Bang Theory on CBS.