The Big Bang Theory: Season 11
2017 · 24 episodes · ★ 7.0
What Season 11 of The Big Bang Theory
Sheldon and Amy are planning their wedding, but the preparations give them no respite. Sheldon gets stressed because he can't decide on a date, and Amy tries to convince him that he has a more relaxed side. Meanwhile, Howard and Bernadette face unexpected news, and Leonard runs into trouble at the university after an embarrassing radio interview. Penny and Leonard have to learn new ways of dealing with Sheldon, and Raj and Stuart compete for the heart of Ruchi, a coworker of Bernadette's. Everyone keeps dealing with their social awkwardness, and the gang never stops changing.
Season 11 Episodes
11x01 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.
Directing: Mark Cendrowski · Writing: Tara Hernandez, Steve Holland, Maria Ferrari · Starring: Kevin Sussman, Laurie Metcalf, Susan Chuang, Riki Lindhome
11x02 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.
Directing: Mark Cendrowski · Writing: David Goetsch, Eric Kaplan, Anthony Del Broccolo · Starring: Ira Flatow, Regina King
11x03 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.
Directed by: Mark Cendrowski · Written by: Tara Hernandez, Maria Ferrari, Andy Gordon · Starring: Kevin Sussman, Swati Kapila
11x04 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.
Directed by: Mark Cendrowski · Written by: Steven Molaro, Eric Kaplan, Jeremy Howe · Starring: Dana L. Wilson, Michael Patrick McGill, Christine Baranski
11x05 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.
Directed by: Nikki Lorre · Written by: David Goetsch, Maria Ferrari, Jeremy Howe · Starring: Efrain Gomez
11x06 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.
Directed by: Mark Cendrowski · Written by: Steve Holland, Jeremy Howe, Andy Gordon · Starring: Wil Wheaton, Pamela Adlon, Bob Newhart, Cat Hammons
11x07 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.
Directing: Mark Cendrowski · Writing: Tara Hernandez, Maria Ferrari, Eric Kaplan · Starring: Kevin Sussman, Swati Kapila, Elka Rodriguez, Brian Posehn
11x08 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.
Directing: Anthony Rich · Writing: Steve Holland, Maria Ferrari, Jeremy Howe · Starring: John Ross Bowie, Dean Norris, Swati Kapila
11x09 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.
Directed by: Mark Cendrowski · Written by: David Goetsch, Maria Ferrari, Anthony Del Broccolo · Starring: Kevin Sussman, Carol Ann Susi, Eric Normington, Brian Thomas Smith
11x10 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.
Directed by: Mark Cendrowski · Written by: Tara Hernandez, Steve Holland, Eric Kaplan · Starring: Kevin Sussman, Brian George, Marissa Cuevas, Brooke Baumer
11x11 The Celebration Reverberation Mid-Season Finale
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.
Directed by: Mark Cendrowski · Written by: David Goetsch, Maria Ferrari, Jeremy Howe · Starring: Kevin Sussman
11x12 The Matrimonial Metric
Sheldon and Amy try to pick their Best-Man and Maid of Honor by experimenting on the gang.
Directing: Mark Cendrowski · Writing: Steve Holland, Eric Kaplan, Andy Gordon · Starring: Kevin Sussman
11x13 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.
Directing: Mark Cendrowski · Writing: Maria Ferrari, Eric Kaplan, Jeremy Howe · Starring: Laurie Metcalf, Pamela Adlon, Jeffrey Cade Ross Brown, Brian Posehn
11x14 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.
Directing: Mark Cendrowski · Writing: Steven Molaro, Tara Hernandez, Steve Holland · Starring: Beth Behrs, Walton Goggins
11x15 The Novelization Correlation
Leonard's book raises questions, and Amy guest stars on the new Professor Proton show.
Directing: Mark Cendrowski · Writing: Maria Ferrari, Eric Kaplan, Jeremy Howe · Starring: Kevin Sussman, Wil Wheaton, Christine Baranski
11x16 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.
Directed by: Gay Linvill · Written by: Tara Hernandez, Steve Holland, Adam Faberman
11x17 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.
Directed by: Mark Cendrowski · Written by: David Goetsch, Maria Ferrari, Eric Kaplan · Starring: John Ross Bowie, Caleb Pierce, Rachna Khatau
11x18 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.
Directed by: Mark Cendrowski · Written by: Tara Hernandez, Steve Holland, Jeremy Howe · Starring: Kevin Sussman, Bill Gates, Laura Cerón, Eileen Galindo
11x19 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.
Directing: Mark Cendrowski · Writing: David Goetsch, Maria Ferrari, Eric Kaplan · Starring: Kevin Sussman, Michelle Arthur, Parvesh Cheena, Bob Stephenson
11x20 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.
Directing: Mark Cendrowski · Writing: Steve Holland, Eric Kaplan, Adam Faberman · Starring: Peter MacNicol, James Maslow, Edward James Gage, Ed Lieberman
11x21 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.
Directing: Mark Cendrowski · Writing: Tara Hernandez, Maria Ferrari, Andy Gordon · Starring: Kevin Sussman, Neil Gaiman, Patrick Daniel, Lauren Lapkus
11x22 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.
Directing: Nikki Lorre · Writing: Steve Holland, Eric Kaplan, Jeremy Howe · Starring: Kevin Sussman, Joshua Malina, Mark Berry, Evan Charest
11x23 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.
Directed by: Mark Cendrowski · Written by: David Goetsch, Maria Ferrari, Jeremy Howe · Starring: Jerry O'Connell, Ellie Reed, Lynn Andrews
11x24 The Bow Tie Asymmetry Season Finale
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.
Directing: Mark Cendrowski · Writing: Tara Hernandez, Steve Holland, Eric Kaplan · Starring: Kevin Sussman, Laurie Metcalf, John Ross Bowie, Mark Hamill
Season 11 Cast
Johnny GaleckiLeonard Hofstadter24 episodes
Swati KapilaRuchi3 episodes
Wil WheatonWil Wheaton3 episodes
Dean NorrisRichard WilliamsEpisode 1
Susan ChuangDr. HarrisEpisode 1
Carol Ann SusiDebbie Wolowitz (voice)Episode 1
Ira FlatowIra FlatowEpisode 1All Seasons
Season 12007 · 17 ep. · ★ 7.6
Season 22008 · 23 ep. · ★ 7.6
Season 32009 · 23 ep. · ★ 7.7
Season 42010 · 24 ep. · ★ 7.6
Season 52011 · 24 ep. · ★ 7.4
Season 62012 · 24 ep. · ★ 7.6
Season 72013 · 24 ep. · ★ 7.6
Season 82014 · 24 ep. · ★ 7.3
Season 92015 · 24 ep. · ★ 7.4
Season 102016 · 24 ep. · ★ 6.9
Season 122018 · 24 ep. · ★ 7.1Where to Watch Season 11 of The Big Bang Theory
Frequently Asked Questions
How Many Episodes Does Season 11 of The Big Bang Theory Have?
Season 11 of The Big Bang Theory has 24 episodes.
When Did Season 11 of The Big Bang Theory Premiere?
Premiered on September 25, 2017.
Where to Watch The Big Bang Theory Season 11?
In Spain, on Movistar Plus+ Ficción Total, HBO Max, Tivify and HBO Max Amazon Channel.
What is the best episode of Season 11?
According to TMDB user ratings, episode 11x24, «The Bow Tie Asymmetry», with a 7.9.