Galleries
Season 5 Episode 15 (12 photos)
Sheldon’s selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.
Season 5 Episode 14 (10 photos)
Leonard and Penny experiment with dating, while Raj develops a peculiar relationship with his phone’s virtual assistant.
A Look Back: Series Premiere (13 photos)
In honor of the 100th episode, we are taking a look back at the series premiere of The Big Bang Theory!
Season 5 Episode 13 (10 photos)
Everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two.
Season 5 Episode 12 (9 photos)
Sheldon gets in trouble with Amy, and Howard must come to grips with Bernadette’s dislike of children.
100th Celebration (12 photos)
Check out photos from The Big Bang Theory's 100th episode celebration.
Season 5 Episode 11 (7 photos)
While Leonard comes face-to-face with his high school bully, Bernadette and Amy make Penny realize she might have been one.
Season 5 Episode 10 (6 photos)
Sheldon considers taking his relationship with Amy to the next level when Stuart (Kevin Sussman) from the comic book store asks her out on a date.
Season 5 Episode 9 (7 photos)
Leonard and Penny try to hang out alone as friends for the first time since they broke up. Sheldon's phobias are put to the test when a bird camps out...
Season 5 Episode 8 (8 photos)
Amy is crushed when Bernadette and Penny go shopping for wedding dresses without her, on THE BIG BANG THEORY.