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Leonard and Sheldon are brilliant physicists - geniuses in the laboratory, but socially challenged everywhere else. Enter beautiful, street-smart neighbor, Penny, who aims to teach them a thing or two about life. Despite their on-again, off-again relationship in the past, Leonard believes he's found true love with Penny. Even Sheldon has found a female companion, entering into a "Relationship Agreement" with neurobiologist Amy Farrah Fowler. In their free time, Leonard and Sheldon continue to enjoy frequent trips to the comic book store and fantasy role-playing games with their ever-expanding universe of friends, including fellow scientists Koothrappali, Wolowitz and Wolowitz's adorable microbiologist wife, Bernadette. (source: www.cbs.com)

Genres: Comedy
Station: CBS (US)
Rating: 9.25/10 from 220 users
Status: Ended
Start: 2007-09-24

The Big Bang Theory Season 11 Air Dates


S11E01 - The Proposal Proposal Air Date: 26 September 2017 00:00 -

Sorry, but right now we don't have any sources for this episode.

Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news.


S11E02 - The Retraction Reaction Air Date: 03 October 2017 00:00 -

Sorry, but right now we don't have any sources for this episode.

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 Air Date: 10 October 2017 00:00 -

Sorry, but right now we don't have any sources for this episode.

As Sheldon stresses about picking a wedding date, Amy tries to convince him he has a more laid-back side. Also, Koothrappali and Stuart compete to win the heart of Bernadette's new coworker, Ruchi.


S11E04 - The Explosion Implosion Air Date: 17 October 2017 00:00 -

Sorry, but right now we don't have any sources for this episode.

Howard and Sheldon bond when they drive to the desert to shoot off a model rocket. Also, when Leonard's mom, Beverly, finds a new best friend in Penny, it rubs Leonard the wrong way.


S11E05 - The Collaboration Contamination Air Date: 24 October 2017 00:00 -

Sorry, but right now we don't have any sources for this episode.

Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together. Also, Penny and Leonard learn new tactics for how to deal Sheldon from an unlikely source.


S11E06 - The Proton Regeneration Air Date: 03 November 2017 00:00 -

Sorry, but right now we don't have any sources for this episode.

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 Wolowitz both wind up on bed rest.


S11E07 - The Geology Methodology Air Date: 10 November 2017 01:00 -

Sorry, but right now we don't have any sources for this episode.

Sheldon and Bert collaborate on a research project, despite Sheldon's embarrassment. Also, Penny and Bernadette coach Koothrappali on how to navigate his relationship with Ruchi.


S11E08 - The Tesla Recoil Air Date: 17 November 2017 01:00 -

Sorry, but right now we don't have any sources for this episode.

Leonard and Wolowitz 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 Ruchi is trying to steal her job.


S11E09 - The Bitcoin Entanglement Air Date: 01 December 2017 01:00 -

Sorry, but right now we don't have any sources for this episode.

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 Air Date: 08 December 2017 01:00 -

Sorry, but right now we don't have any sources for this episode.

Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Koothrappali "breaks up" with Wolowitz after realizing his best friend is actually hurting his confidence.


S11E11 - The Celebration Reverberation Air Date: 15 December 2017 01:00 -

Sorry, but right now we don't have any sources for this episode.

Sheldon and Wolowitz plan birthday celebrations for Amy and Halley, respectively. Also, Leonard receives a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments.


S11E12 - The Matrimonial Metric Air Date: 05 January 2018 01:00 -

Sorry, but right now we don't have any sources for this episode.

To discover who would be most qualified to be best man and maid of honor at their wedding, Sheldon and Amy subject their friends to a series of secret experiments. Also, Penny reveals her true feelings about Amy.


S11E13 - The Solo Oscillation Air Date: 12 January 2018 01:00 -

Sorry, but right now we don't have any sources for this episode.

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 Air Date: 19 January 2018 01:00 -

Sorry, but right now we don't have any sources for this episode.

Koothrappali finds himself in the middle of domestic drama when he learns the woman he's dating, Nell, has a very upset husband, Oliver. 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 Air Date: 02 February 2018 01:00 -

Sorry, but right now we don't have any sources for this episode.

When Sheldon petitions Wil Wheaton to appear on the new Professor Proton show, Wil offers a role to Amy instead. Also, Penny gets angry when she thinks the female protagonist in Leonard's novel is based on her.


S11E16 - The Neonatal Nomenclature Air Date: 02 March 2018 01:00 -

Sorry, but right now we don't have any sources for this episode.

When Bernadette won't go into labor, all her friends try different tactics to get things started. Also, Wolowitz confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.


S11E17 - The Athenaeum Allocation Air Date: 09 March 2018 01:00 -

Sorry, but right now we don't have any sources for this episode.

Leonard jumps through hoops to help secure the perfect wedding venue for Sheldon and Amy. Also, Bernadette and Wolowitz have a hard time deciding who should stay at home with the kids and who should go back to work.


S11E18 - The Gates Excitation Air Date: 30 March 2018 00:00 -

Sorry, but right now we don't have any sources for this episode.

Penny gets the opportunity to host Bill Gates at work when his company wants to partner with her pharmaceutical company. Also, Leonard, Koothrappali and Wolowitz do everything in their power to meet him, while Sheldon thinks he is the victim of an April Fools prank.


S11E19 - The Tenant Disassociation Air Date: 06 April 2018 00:00 -

Sorry, but right now we don't have any sources for this episode.

When Leonard learns Sheldon is the president of the tenants association, he decides to run against him. Also, Bernadette encourages Wolowitz and Koothrappali to find the owner of a drone after they find it in the backyard.


S11E20 - The Reclusive Potential Air Date: 13 April 2018 00:00 -

Sorry, but right now we don't have any sources for this episode.

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 Air Date: 20 April 2018 00:00 -

Sorry, but right now we don't have any sources for this episode.

Sheldon's comic book store experiences changes when writer Neil Gaiman puts Stuart's store on the map. Also, Koothrappali takes credit for Penny's astronomical discovery, and friendships are threatened.


S11E22 - The Monetary Insufficiency Air Date: 27 April 2018 00:00 -

Sorry, but right now we don't have any sources for this episode.

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 Air Date: 04 May 2018 00:00 -

Sorry, but right now we don't have any sources for this episode.

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, Wolowitz and Koothrappali with pinkeye.


S11E24 - The Bow Tie Asymmetry Air Date: 11 May 2018 00:00 -

Sorry, but right now we don't have any sources for this episode.

Amy and Sheldon's wedding provides Sheldon with the information he needs to make a breakthrough in his symmetrical string theory. Meanwhile, their friends pick up Sheldon and Amy's families from the airport, and Mark Hamill agrees to officiate at the ceremony.

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