Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Where to watch
-
HBO Max
-
YouTube TV
-
TBS
-
Amazon Video
-
Apple TV Store
-
Google Play Movies
-
Fandango At Home
see all options Availability data: JustWatch
- Seasons
- 12
- Episodes aired
- 279
- Latest aired
- S12E23
- Total runtime
- 3d 22h
Timeline when each season aired
- Season 1 September 2007 – May 2008 17 episodes
- Season 2 September 2008 – May 2009 23 episodes
- Season 3 September 2009 – May 2010 23 episodes
- Season 4 September 2010 – May 2011 24 episodes
- Season 5 September 2011 – May 2012 24 episodes
- Season 6 September 2012 – May 2013 24 episodes
- Season 7 September 2013 – May 2014 24 episodes
- Season 8 September 2014 – May 2015 24 episodes
- Season 9 September 2015 – May 2016 24 episodes
- Season 10 September 2016 – May 2017 24 episodes
- Season 11 September 2017 – May 2018 24 episodes
- Season 12 September 2018 – May 2019 24 episodes
-
S11E01 The Proposal Proposal
September 25 · 21min find the promo
Show synopsis
In the eleventh season opener, Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news.
-
S11E02 The Retraction Reaction
October 2 · 21min find the promo
Show synopsis
Leonard angers the university – and the entire physics community – after he gives an embarrassing interview. Also, Amy and Bernadette bond over having to hide their success from Sheldon and Howard.
-
S11E03 The Relaxation Integration
October 9 · 20min find the promo
Show synopsis
Sheldon and Amy struggle with picking a wedding date, which stresses out Sheldon and causes him talking in his sleep. Meanwhile, Raj and Stuart fight over the attention of one of Bernadette's co-workers.
-
S11E04 The Explosion Implosion
October 16 · 21min find the promo
Show synopsis
As Howard worries about fatherhood, he and Sheldon bond when they jointly assemble a model rocket. Meanwhile, Penny bonds with Leonard's mother, Beverly, much to his concern.
-
S11E05 The Collaboration Contamination
October 23 · 19min find the promo
Show synopsis
Sheldon and Raj confide in Bernadette when they can't handle Amy and Howard working together on a science project. Also, Penny and Leonard learn new tactics for how to deal with Sheldon from an unlikely source.
-
S11E06 The Proton Regeneration
November 2 · 21min find the promo
Show synopsis
Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Also, Penny steps in to take care of Halley when Bernadette and Howard both wind up on bed rest.
-
S11E07 The Geology Methodology
November 9 · 20min find the promo
Show synopsis
Sheldon and Bert collaborate on a research project, despite Sheldon’s embarrassment. Also, Penny and Bernadette coach Raj on how to navigate his relationship with Ruchi.
-
S11E08 The Tesla Recoil
November 16 · 19min find the promo
Show synopsis
Leonard and Howard are furious after they learn Sheldon went to work with the military behind their backs. Also, while Bernadette is on bed rest, she asks Raj to do some digging when she suspects that Ruchi might be trying to take over her projects at work.
-
S11E09 The Bitcoin Entanglement
November 30 · 19min find the promo
Show synopsis
Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a seven-year-old video reveals a secret about Leonard and Penny's relationship.
-
S11E10 The Confidence Erosion
December 7 · 21min find the promo
Show synopsis
Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Raj “breaks up” with Howard after realizing his best friend is actually hurting his confidence.
-
S11E11 The Celebration Reverberation
December 14 · 20min find the promo
Show synopsis
Raj and Howard's feud continues as the gang plan Halley's first birthday party. Sheldon's surprise for Amy's birthday goes awry when they get food poisoning. Also, Leonard gets a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments.
-
S11E12 The Matrimonial Metric
January 4 · 20min find the promo
Show synopsis
Sheldon and Amy try to pick their Best-Man and Maid of Honor by experimenting on the gang.
-
S11E13 The Solo Oscillation
January 11 · 21min find the promo
Show synopsis
When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration.
-
S11E14 The Separation Triangulation
January 18 · 19min find the promo
Show synopsis
Raj finds himself in the middle of domestic drama when he learns the woman he's dating, has a very upset husband. Also, when Sheldon rents his old room back for a quiet place to work, he drives Leonard crazy by being a model tenant.
-
S11E15 The Novelization Correlation
February 1 · 21min find the promo
Show synopsis
Leonard's book raises questions, and Amy guest stars on the new Professor Proton show.
-
S11E16 The Neonatal Nomenclature
March 1 · 19min find the promo
Show synopsis
When Bernadette won't go into labor, the gang tries different tactics to get things started. Also, Howard confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.
-
S11E17 The Athenaeum Allocation
March 8 · 20min find the promo
Show synopsis
Leonard jumps through hoops to help secure the perfect wedding venue for Sheldon and Amy. Also, Bernadette and Howard have a hard time deciding who should stay at home with the kids and who should go back to work.
-
S11E18 The Gates Excitation
March 29 · 20min find the promo
Show synopsis
Bill Gates visits Penny's work, and the gang schemes to meet him. Hilarity ensues. Meanwhile, Sheldon is convinced that he's a target of an April's Fools prank.
-
S11E19 The Tenant Disassociation
April 5 · 21min find the promo
Show synopsis
When Leonard learns Sheldon is the president of the tenants association, he decides to run against him. Also, Bernadette encourages Howard and Raj to find the owner of a drone after they find it in the backyard.
-
S11E20 The Reclusive Potential
April 12 · 21min find the promo
Show synopsis
A brilliant but reclusive scientist, Doctor Wolcott, invites Sheldon to his cabin in the middle of nowhere, and Leonard, Raj and Howard go along for the trip. Also, Penny and Bernadette improvise after Amy doesn’t like the tame bachelorette party they planned for her.
-
S11E21 The Comet Polarization
April 19 · 20min find the promo
Show synopsis
Sheldon’s comic book store experience changes when writer Neil Gaiman puts Stuart’s store on the map. Also, friendships are threatened when Raj takes credit for Penny's astronomical discovery.
-
S11E22 The Monetary Insufficiency
April 26 · 19min find the promo
Show synopsis
Sheldon goes to Vegas to win money for science. Also, Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies.
-
S11E23 The Sibling Realignment
May 3 · 20min find the promo
Show synopsis
When Sheldon learns that his mother won’t attend his wedding unless he invites his brother, Georgie, he and Leonard travel to Texas to end a family feud. Also, the Wolowitz kids inadvertently infest Amy, Bernadette, Howard and Raj with pinkeye.
-
S11E24 The Bow Tie Asymmetry
May 10 · 22min find the promo
Show synopsis
When Amy's parents and Sheldon's family arrive, everybody is focused to make sure all wedding arrangements go according to plan – everyone except the bride and groom.