Season 11
🎬 24 Episodes 📅 2017 ⏱ 22 min
When an aspiring actress moves into the apartment next door, she inadvertently becomes the missing link in The Big Bang Theory's carefully constructed world of equations and comic books. Sheldon's rigid routines and Leonard's awkward charm collide head-on with her infectious energy, creating an unlikely dynamic that neither group expected. As Howard and Raj watch this clash of personalities unfold, they realize their insular circle might actually benefit from an outsider's perspective. What begins as neighborly annoyance transforms into genuine friendship, proving that sometimes the best connections happen when different worlds unexpectedly collide.
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📊 Season Stats
24
Episodes
2017
Year
22
min / ep
8.8
Watch Hours
11/12
Season No.
⭐ 7.9
Best Episode
Ep. 24 · The Bow Tie Asymmetry
🎬 Episodes 24 episodes
1
⭐ 7.4
The Proposal Proposal
In the eleventh season opener, Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news.
🎬 Mark Cendrowski ✍️ Chuck Lorre
2
⭐ 6.9
The Retraction Reaction
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.
🎬 Mark Cendrowski ✍️ Steven Molaro
3
⭐ 6.8
The Relaxation Integration
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.
🎬 Mark Cendrowski ✍️ Chuck Lorre
4
⭐ 6.9
The Explosion Implosion
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.
🎬 Mark Cendrowski ✍️ Tara Hernandez
5
⭐ 7.0
The Collaboration Contamination
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.
🎬 Nikki Lorre ✍️ Steven Molaro
6
⭐ 7.0
The Proton Regeneration
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.
🎬 Mark Cendrowski ✍️ Steven Molaro
7
⭐ 7.1
The Geology Methodology
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.
🎬 Mark Cendrowski ✍️ Adam Faberman
8
⭐ 7.0
The Tesla Recoil
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.
🎬 Anthony Rich ✍️ Chuck Lorre
9
⭐ 7.2
The Bitcoin Entanglement
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.
🎬 Mark Cendrowski ✍️ Steve Holland
10
⭐ 6.9
The Confidence Erosion
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.
🎬 Mark Cendrowski ✍️ Maria Ferrari
11
⭐ 6.8
The Celebration Reverberation
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.
🎬 Mark Cendrowski ✍️ Eric Kaplan
12
⭐ 7.0
The Matrimonial Metric
Sheldon and Amy try to pick their Best-Man and Maid of Honor by experimenting on the gang.
🎬 Mark Cendrowski ✍️ Tara Hernandez
13
⭐ 6.9
The Solo Oscillation
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.
🎬 Mark Cendrowski ✍️ Chuck Lorre
14
⭐ 6.7
The Separation Triangulation
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.
🎬 Mark Cendrowski ✍️ Chuck Lorre
15
⭐ 7.1
The Novelization Correlation
Leonard's book raises questions, and Amy guest stars on the new Professor Proton show.
🎬 Mark Cendrowski ✍️ Adam Faberman
16
⭐ 6.8
The Neonatal Nomenclature
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.
🎬 Gay Linvill ✍️ Maria Ferrari
17
⭐ 6.7
The Athenaeum Allocation
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.
🎬 Mark Cendrowski ✍️ Steven Molaro
18
⭐ 6.9
The Gates Excitation
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.
🎬 Mark Cendrowski ✍️ Maria Ferrari
19
⭐ 7.1
The Tenant Disassociation
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.
🎬 Mark Cendrowski ✍️ Steve Holland
20
⭐ 7.0
The Reclusive Potential
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.
🎬 Mark Cendrowski ✍️ Tara Hernandez
21
⭐ 7.1
The Comet Polarization
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.
🎬 Mark Cendrowski ✍️ Eric Kaplan
22
⭐ 6.9
The Monetary Insufficiency
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.
🎬 Nikki Lorre ✍️ Tara Hernandez
23
⭐ 7.4
The Sibling Realignment
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.
🎬 Mark Cendrowski ✍️ Eric Kaplan
24
⭐ 7.9
The Bow Tie Asymmetry
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.
🎬 Mark Cendrowski ✍️ Chuck Lorre