The Big Bang Theory (season 4) | |
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Fourth season DVD cover art
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Starring | |
Country of origin | United States |
No. of episodes | 24 |
Release | |
Original network | CBS |
Original release | September 22, 2010 | – May 18, 2011
Season chronology | |
The fourth season of the American sitcom The Big Bang Theory, began airing on CBS on September 23, 2010. Season four starts four months after the end of season 3.
Melissa Rauch and Mayim Bialik were upgraded to the main cast during the fourth season as Dr. Bernadette Rostenkowski and Dr. Amy Farrah Fowler. Johnny Galecki submitted the episode "The Benefactor Factor" for consideration due to his nomination for the Primetime Emmy Award for Outstanding Lead Actor in a Comedy Series at the 63rd Primetime Emmy Awards. Jim Parsons won the Primetime Emmy Award for Outstanding Lead Actor in a Comedy Series at the 63rd Primetime Emmy Awards for the episode "The Agreement Dissection".
Penny dates a couple of guys including the dense Zack who likes the "science dudes", Sheldon begins a platonic relationship with Amy, Howard reconnects with Bernadette eventually asking her to marry him, Leonard begins to date Raj's sister Priya, Penny becomes friends with Amy and expresses regret at breaking up with Leonard.
During the season, actress Kaley Cuoco was absent from two episodes after she fell off a horse and the horse accidentally crushed her leg. When she returned to the series, she was shown working as a bartender instead of waitressing at her usual workplace, The Cheesecake Factory, to hide her injury. In January 2011, The Big Bang Theory was renewed for an additional three years; extending it through the 2013/14 season, for a fifth, sixth, and seventh season.