The Big Bang Theory
"Smart is the new sexy."
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Season 9 Episodes
E1
After driving to Vegas to get married, Penny struggles with Leonard’s confession that he kissed another girl. Also, Shel…
E2
Leonard confronts the woman he kissed on the North Sea in an attempt to set Penny's mind at ease. Also, Sheldon films a …
E3
The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico…
E4
Sheldon learns of an impending change in his living arrangements and decides to revert back to 2003, a simpler time befo…
E5
The guys take a fencing lesson from Barry Kripke and Sheldon finds himself in an awkward position when Kripke expresses …
E6
In the midst of a nation-wide helium shortage, Sheldon and Leonard take desperate measures to get the supplies they need…
E7
Wil Wheaton interviews Sheldon for a Star Trek documentary where he reveals the ring and his plan to propose to Amy. Be…
E8
Sheldon, Wolowitz and Koothrappali post an online advertisement to find Sheldon a new girlfriend. Also, when Amy is coy …
E9
Sheldon and Amy try hanging out as friends when they spend Thanksgiving together at the aquarium. Also, Wolowitz relucta…
E10
Sheldon has a revelation when he realizes why a song was stuck in his head. Also, Amy invites Dave over for dinner despi…
E11
After more than five years of dating, Sheldon and Amy spend their first night together. Also, Leonard, Wolowitz, and Koo…
E12
Penny gets more than she bargained for when Leonard agrees to meet with a psychiatrist on her behalf. Also, Sheldon and …
E13
After having to deal with a sick Sheldon, Leonard, Penny and the gang try to treat themselves to a Sheldon-free weekend.
E14
Meemaw meets Amy, but it isn't all roses. Meemaw seems to have an axe to grind with her. Sheldon comes to Amy's defense,…
E15
Sheldon and Amy host a live Valentine's Day episode of Fun with Flags, Leonard and Penny grapple with getting older, How…
E16
When the gang finds out about Bernadette’s pregnancy, they celebrate by singing karaoke. Also, Bernadette is concerned …
E17
After more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest…
E18
Leonard, Sheldon, and Wolowitz run into problems when they file for a patent for their infinite persistence gyroscope. A…
E19
Amy is shocked at a revelation from Sheldon after she buys him a new laptop. Also, Koothrappali sells out Leonard and Wo…
E20
Sheldon spills a secret of Leonard’s when the two take a weekend cabin trip with Penny and Amy. Also, when Koothrappali…
E21
Everyone must choose sides when a small argument between Leonard and Sheldon erupts into a heated fight during a group …
E22
The gang goes to a wine bar and runs into Penny’s old boyfriend, Zack. Also, Bernadette gets stuck spending the evening …
E23
Sheldon hires Stuart to spend the day with Amy when he’d rather go to a movie screening. Also, Leonard’s mother, Beverly…
E24
Chaos ensues when Leonard’s recently divorced parents, Alfred and Beverly, and Sheldon’s devoutly religious mother, Mary…
Cast
