Episodes
As Leonard and Penny attempt to hold another wedding ceremony everyone can attend, they have to deal with Penny's family ...read more As Leonard and Penny attempt to hold another wedding ceremony everyone can attend, they have to deal with Penny's family arriving and Leonard's father spending the night with Sheldon's mother. show less
Howard is visited by an Air Force colonel regarding his invention. Penny accidentally lets it slip to her co-workers ...read more Howard is visited by an Air Force colonel regarding his invention. Penny accidentally lets it slip to her co-workers Bernadette's secret that she is pregnant. show less
Bernadette confides to Raj she isn't sure if she's ready to be a mother. Penny accompanies Amy to a university mixer, ...read more Bernadette confides to Raj she isn't sure if she's ready to be a mother. Penny accompanies Amy to a university mixer, and Sheldon goes to unusual extremes to assist Howard with his military project. show less
When Amy must vacate her apartment for repairs, living arrangements are made with Leonard, Sheldon, and Penny. Howard and ...read more When Amy must vacate her apartment for repairs, living arrangements are made with Leonard, Sheldon, and Penny. Howard and Bernadette don't want to know the sex of their baby, but Raj finds out. show less
Sheldon and Amy go through a period of adjustment with their new living arrangement. Howard and Bernadette are forced to ...read more Sheldon and Amy go through a period of adjustment with their new living arrangement. Howard and Bernadette are forced to vacation at home when she falls ill and keep it a secret, unaware Raj and Stuart planned to use their hot tub. show less
Sheldon and Amy host a brunch. Penny is surprised by her popularity when her movie, Serial Apeist, is featured at a Van Nuys ...read more Sheldon and Amy host a brunch. Penny is surprised by her popularity when her movie, Serial Apeist, is featured at a Van Nuys comic book convention. show less
Amy neglects to tell Sheldon her apartment has been repaired. Leonard and Penny discuss what is to be done with Sheldon's ...read more Amy neglects to tell Sheldon her apartment has been repaired. Leonard and Penny discuss what is to be done with Sheldon's room, but Leonard becomes more upset that Penny's been storing away his collectibles. show less
A proposition by Sheldon shocks Amy. Raj takes an interest in someone at the university.
Sheldon can't contain his jealousy when Bert from the Geology Department wins the MacArthur Genius Grant. A toy Howard finds ...read more Sheldon can't contain his jealousy when Bert from the Geology Department wins the MacArthur Genius Grant. A toy Howard finds faces judgment by everyone. show less
Dividing up their possessions becomes an all-out war between Leonard and Sheldon. Stuart asks to live with Howard and Bernadette ...read more Dividing up their possessions becomes an all-out war between Leonard and Sheldon. Stuart asks to live with Howard and Bernadette and tries to supplant Raj's efforts to help with the new baby. show less
Amy's desire to have an intimate night with Sheldon on her birthday is interrupted by Bernadette going into labor.
After spending the holidays apart, the gang gets together to hear about Sheldon's and Amy's trip to his mother's, ...read more After spending the holidays apart, the gang gets together to hear about Sheldon's and Amy's trip to his mother's, Leonard's and Penny's Christmas tree adventure, and Howard's and Bernadette's first days as parents. show less
Leonard and Penny ask for Sheldon's and Amy's help on putting the romance back in their marriage. Howard and Raj go to ...read more Leonard and Penny ask for Sheldon's and Amy's help on putting the romance back in their marriage. Howard and Raj go to extreme lengths to stop the floor in Halley's bedroom from making noise. show less
Penny wants to help her brother get a job with her company. Sheldon learns of a machine that will help him understand human ...read more Penny wants to help her brother get a job with her company. Sheldon learns of a machine that will help him understand human emotions. Raj reunites some of his old girlfriends to figure out why he is still single. show less
Leonard and Howard's attempt to keep Sheldon away from their Air Force project by sending him on a train trip backfires. ...read more Leonard and Howard's attempt to keep Sheldon away from their Air Force project by sending him on a train trip backfires. Penny and Amy take Bernadette for her first night out since having the baby. show less
Sheldon and Amy have their first fight since moving in together. Meanwhile Raj is shocked at the reality of financial ...read more Sheldon and Amy have their first fight since moving in together. Meanwhile Raj is shocked at the reality of financial independence when he stops receiving support from his father. show less
The guys' annual trip to Comic Con is in doubt when Raj can't afford to go.
When the gang offers a place for Raj to live, it creates unexpected conflict among everyone and an argument between Amy and ...read more When the gang offers a place for Raj to live, it creates unexpected conflict among everyone and an argument between Amy and Leonard's mother. show less
Leonard, Penny and Raj adjust to their new living arrangements; Sheldon expresses an interest in Amy's work.
Sheldon reaches his limit when he works on projects with Leonard, Wolowitz and Amy in one day.
Howard and Bernadette have a hard time leaving Halley in daycare when Bernadette returns to work. Also, Bert introduces the gang ...read more Howard and Bernadette have a hard time leaving Halley in daycare when Bernadette returns to work. Also, Bert introduces the gang to his new girlfriend, Rebecca. show less
Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend. Howard teaches Sheldon new ...read more Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend. Howard teaches Sheldon new things. show less
After celebrating the completion of the top-secret Air Force project, Leonard, Sheldon and Wolowitz get an unwelcome surprise; ...read more After celebrating the completion of the top-secret Air Force project, Leonard, Sheldon and Wolowitz get an unwelcome surprise; Amy receives an offer for a summer position as a visiting researcher. show less
The gang is concerned when Sheldon's former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.