Ep.1 The Proposal Proposal
Air Date: 2017-09-25
In the eleventh season opener, Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news.
Ep.2 The Retraction Reaction
Air Date: 2017-10-02
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.
Ep.3 The Relaxation Integration
Air Date: 2017-10-09
Sheldon struggles with picking a wedding date. Amy decides she wants a wedding near a cliff which Sheldon doesn't want. Meanwhile Raj and Stuart fight over one of Bernadette's co-workers.
Ep.4 The Explosion Implosion
Air Date: 2017-10-16
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.
Ep.5 The Collaboration Contamination
Air Date: 2017-10-23
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.
Ep.6 The Proton Regeneration
Air Date: 2017-11-02
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.
Ep.7 The Geology Methodology
Air Date: 2017-11-09
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.
Ep.8 The Tesla Recoil
Air Date: 2017-11-16
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.
Ep.9 The Bitcoin Entanglement
Air Date: 2017-11-30
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.
Ep.10 The Confidence Erosion
Air Date: 2017-12-07
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.
Ep.11 The Celebration Reverberation
Air Date: 2017-12-14
Sheldon and Wolowitz plan birthday celebrations for Amy and Halley, respectively. Also, Leonard get a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments.
Ep.12 The Matrimonial Metric
Air Date: 2018-01-04
Sheldon and Amy will try to use science to see who should be their Maid of Honor and Best Man.
Ep.13 The Solo Oscillation
Air Date: 2018-01-11
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.
Ep.14 The Separation Triangulation
Air Date: 2018-01-18
Koothrappali 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.
Ep.15 The Novelization Correlation
Air Date: 2018-02-01
Leonard's book raises questions, and Amy guest stars on the new Professor Proton show.
Ep.16 The Neonatal Nomenclature
Air Date: 2018-03-01
When Bernadette won't go into labor, the gang tries different tactics to get things started. Howard confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.
Ep.17 The Athenaeum Allocation
Air Date: 2018-03-08
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.
Ep.18 The Gates Excitation
Air Date: 2018-03-29
Bill Gates visits Penny's work, and the gang schemes to meet him. Hilarity ensues.
Ep.19 The Tenant Disassociation
Air Date: 2018-04-05
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.
Ep.20 The Reclusive Potential
Air Date: 2018-04-12
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.
Ep.21 The Comet Polarization
Air Date: 2018-04-19
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.
Ep.22 The Monetary Insufficiency
Air Date: 2018-04-26
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.
Ep.23 The Sibling Realignment
Air Date: 2018-05-03
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.
Ep.24 The Bow Tie Asymmetry
Air Date: 2018-05-10
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.