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The Big Bang Theory Season 11 episodes

S11 E01
The Proposal Proposal
20 mins · Mon, 25 Sep 2017
Amy responds to Sheldon's marriage proposal; Bernadette confides in Penny when she and Howard receive some unexpected news.

S11 E02
The Retraction Reaction
21 mins · Mon, 2 Oct 2017
Leonard gives a terrible radio interview and has the university and physics community in an uproar; Amy and Bernadette chat about the necessity of hiding their achievements from their partners.

S11 E03
The Relaxation Integration
20 mins · Mon, 9 Oct 2017
Sheldon worries about choosing a date for the wedding, and Amy tries to reason with him by explaining that he has a more relaxed side. Stuart and Raj end up in competition over a girl.

S11 E04
The Explosion Implosion
20 mins · Mon, 16 Oct 2017
Howard and Sheldon bond over their disappointing fathers. Leonard becomes uncomfortable when his mother befriends Penny.

S11 E05
The Collaboration Contamination
19 mins · Mon, 23 Oct 2017
When Amy and Howard begin working together on a project, Sheldon and Raj turn to Bernadette for advice about their jealousy. Penny and Leonard figure out the secret to dealing with Sheldon.

S11 E06
The Proton Regeneration
21 mins · Thu, 2 Nov 2017
Sheldon auditions to become the new Professor Proton. Penny offers to help out with Halley when Bernadette and Howard are both put on bed rest.

S11 E07
The Geology Methodology
19 mins · Thu, 9 Nov 2017
Sheldon tries his best to keep his collaboration with Bert a secret from everyone, while Penny and Bernadette try their hand at coaching Koothrappali.

S11 E08
The Tesla Recoil
18 mins · Thu, 16 Nov 2017
Howard and Leonard are annoyed when they discover Sheldon worked with the military without telling them; Raj helps Bernadette when she thinks Ruchi might be trying to steal her job.

S11 E09
The Bitcoin Entanglement
18 mins · Thu, 30 Nov 2017
Sheldon sets out to teach everyone a lesson after they cut him out of a valuable Bitcoin investment; a seven-year-old video uncovers a hidden secret about the relationship between Penny and Leonard.

S11 E10
The Confidence Erosion
21 mins · Thu, 7 Dec 2017
Amy and Sheldon try to minimise stress from wedding planning by using maths; Raj distances himself from Howard after he thinks his best friend is actually hurting his confidence.

S11 E11
The Celebration Reverberation
19 mins · Thu, 14 Dec 2017
Sheldon plans birthday celebrations for Amy, while Howard does the same for Halley; Leonard's brother sends him a Christmas letter, which makes him consider his own lack of accomplishments.

S11 E12
The Matrimonial Metric
20 mins · Thu, 4 Jan 2018
Sheldon and Amy prepare a series of experiments to decide who would be the most qualified to be best man and maid of honour.

S11 E13
The Solo Oscillation
21 mins · Thu, 11 Jan 2018
Amy begins a bond with Leonard after Sheldon kicks her out to work solo. Meanwhile, Bert replaces Howard in his band.

S11 E14
The Separation Triangulation
19 mins · Thu, 18 Jan 2018
The woman Raj is dating reveals that she has a very displeased husband, and Raj finds himself in the middle of a marital breakdown. Leonard is infuriated when Sheldon rents his old room back for a peaceful place to work.

S11 E15
The Novelization Correlation
21 mins · Thu, 1 Feb 2018
Sheldon is passed up for Amy when he petitions Wil Wheaton to appear on his Professor Proton show. Penny is enraged that the protagonist in Leonard's novel seems eerily familiar.

S11 E16
The Neonatal Nomenclature
18 mins · Thu, 1 Mar 2018
Everyone is focused on helping Bernadette go into labour, but Howard is distracted when Amy reveals that Bernadette has already chosen the name for their son in advance.

S11 E17
The Athenaeum Allocation
20 mins · Thu, 8 Mar 2018
Leonard goes the extra mile to land the perfect wedding venue for Sheldon and Amy. Howard and Bernadette struggle to decide which of them should stay home with the kids.

S11 E18
The Gates Excitation
20 mins · Thu, 29 Mar 2018
When Penny gets the chance to host Bill Gates for work, Leonard, Raj and Howard try everything they can think of to meet him; Sheldon believes he is the victim of a prank.

S11 E19
The Tenant Disassociation
20 mins · Thu, 5 Apr 2018
Leonard and Sheldon go up against each other in the election for tenants association president. Meanwhile, Bernadette encourages Howard and Raj to track down the owner of a drone they find in the backyard.

S11 E20
The Reclusive Potential
21 mins · Thu, 12 Apr 2018
Reclusive scientist Doctor Walcott extends an invitation to Sheldon to join him in his remote cabin. When they learn that Amy doesn't love the bachelorette party they planned for her, Bernadette and Penny must improvise.

S11 E21
The Comet Polarization
20 mins · Thu, 19 Apr 2018
Sheldon's comic book shop experience changes when Stuart's store is put on the map by writer Neil Gaiman; friendships are put to the test when Raj uses Penny's astronomical discovery to his own advantage.

S11 E22
The Monetary Insufficiency
19 mins · Thu, 26 Apr 2018
Sheldon heads to Las Vegas to win money for science. Meanwhile, Amy is taken wedding dress shopping by Penny and Bernadette, but her choices see them fall into a web of lies.

S11 E23
The Sibling Realignment
20 mins · Thu, 3 May 2018
Sheldon's mother refuses to go to his wedding unless his brother is invited; the Wolowitz kids accidentally spread pink eye to Amy, Bernadette, Wolowitz and Koothrappali.

S11 E24
The Bow Tie Asymmetry
21 mins · Thu, 10 May 2018
Everyone focuses on making sure the wedding arrangements go according to plan as Sheldon's family and Amy's parents arrive, but the bride and groom have other ideas.
