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The Big Bang Theory Season 11 Episodes
Season 11 Episode Guide
24 Episodes 2017 - 2018
Episode 1
The Proposal Proposal
Mon, Sep 25, 201721 mins
Following Ramona kissing him, Sheldon has flown to New Jersey to ask Amy to marry him in the realization that he wants Amy to be the only woman ever to kiss him. Before doing so, he believes he has asked the advice and permission from the appropriate person. What happens with the proposal may depend on how Sheldon acts around Amy's Princeton colleagues, who only know of her brilliance and not his idiosyncrasies. Meanwhile, Bernadette and Howard learn of another upcoming change to their personal situation. In trying to deal with the surprising turn of events, Bernadette and Howard look to Leonard and Penny not so much for advice but rather to ask them for a favor in dealing with the news a bit easier. And in light of Sheldon's marriage proposal, the two singletons, Raj and Stuart, continue to commiserate with each other. Their want to do so may change with a turn of fortunes.
Episode 2
The Retraction Reaction
Mon, Oct 2, 201721 mins
On the university's want for more funding for the Physics Department, they've asked Leonard to appear on Ira Flatow's show on NPR to give the department some profile. The profile Leonard does give, however, is an unflattering one to the department, the university and physics in general. As such following the radio show, his job is in jeopardy, that is unless he signs a retraction to his comments on the show. He has to decide what to do as although he does realize in hindsight how unflattering his comments were, he still stands behind what he said. His comments also have an unintended consequence on Sheldon, Howard and Raj. Meanwhile, Bernadette and Amy lament that they can't share their professional successes with their significant others, who are more than willing to toot their own horns with any and every little success they achieve. This lamentation comes on the heels of Amy getting much new and expensive lab equipment, while she knows the financial difficulties the Physics Department is undergoing, which means that Sheldon has had no such new goodies of late. The alternative that Bernadette and Amy come up with to celebrate their respective successes doesn't quite turn out the way they envisioned.
Episode 3
The Relaxation Integration
Mon, Oct 9, 201720 mins
Sheldon and Amy are in the midst of wedding planning, Sheldon wanting to ensure that everything is to his specification. He's narrowed the actual wedding day to one of eighty choices. However, in Sheldon's sleep, Amy finds that he has started to sleep talk, dreaming Sheldon who is more easy going and laid back than awake Sheldon has ever contemplated being, especially wedding planning Sheldon. Confused, Amy turns to Leonard and Penny for advice and counsel about what it all means, she believing it could be stress induced from the wedding planning. Amy isn't sure if she should tell Sheldon about it. But Sheldon does find out, he who has to decide what to do with the information. Meanwhile, Bernadette is planning on taking a new colleague named Ruchi out for drinks after work. Howard wants Bernadette to set Ruchi up with either Raj or Stuart, which she refuses to do. But Raj and Stuart both do find out about Ruchi, and both want to date her. Ruchi may have some say in the matter.
Episode 4
The Explosion Implosion
Mon, Oct 16, 201721 mins
Howard and Bernadette are disappointed when they find out the sex of the baby. Leonard is annoyed when his mother befriends Penny.
Episode 5
The Collaboration Contamination
Mon, Oct 23, 201719 mins
Amy and Howard work in the lab together causing Sheldon, Bernadette and Raj to feel jealous and lonely. Penny starts using a parenting book to control Sheldon's behavior.
Episode 6
The Proton Regeneration
Thu, Nov 2, 201721 mins
Sheldon learns that the Professor Proton show is being resurrected. He believes that he would make the perfect twenty-first century Professor Proton, a character he loves. The problem that he doesn't quite understand is that he has contempt for his potential audience, namely impressionable young children. When Penny likens what he needs to do in his audition tape is akin to acting, he decides to get some professional assistance in that matter, which leads to unintended consequences for him. Meanwhile, Howard has just got a vasectomy. His recuperation coincides with Bernadette being told by her physician that she requires total bed rest for a few days in being run off her feet, in part in waiting on Howard. The person who volunteers to help look after Halley in both Bernadette and Howard being incapacitated is Penny, who they don't really trust in the role of baby sitter.
Episode 7
The Geology Methodology
Thu, Nov 9, 201719 mins
Bert asks Sheldon to collaborate on a project on dark matter where Bert requires some math expertise. Sheldon neither wants to admit to anyone that he is interested in Bert's offer or that he has accepted that offer. As such, Sheldon has to hide his activities from his friends, meaning working late hours. In the process, Sheldon has mixed emotions as even though he enjoys the work and the project, he still doesn't respect the field of Geology and so feels ashamed of collaborating in such work. He has to reconcile his feelings before it affects his work on the project. Meanwhile, Raj, out at a bar one evening with Howard, runs into Ruchi. Unlike their last awkward encounter, Raj and Ruchi have a good time together, so much so that Ruchi wants to have a casual relationship with him. If he agrees, Raj will have to see if he really can do so as he has never had a casual relationship with a woman in his life, he always having seen in the back of his mind whatever woman he's been with as his soul mate.
Episode 8
The Tesla Recoil
Thu, Nov 16, 201719 mins
When Leonard and Howard find out that Sheldon worked with the military behind their backs, they are furious and ask Kripke to help them, much to Sheldon's annoyance. Meanwhile, Bernadette asks Raj to see if Ruchi is trying to steal her job.
Episode 9
The Bitcoin Entanglement
Thu, Nov 30, 201719 mins
Sheldon tries to teach the other guys a lesson after they cut him out of a potentially valuable Bitcoin investment seven years ago.
Episode 10
The Confidence Erosion
Thu, Dec 7, 201721 mins
Raj blows yet another job interview, this one at a planetarium. Raj's father believes that Raj's lack of confidence is primarily due to his friendship with Howard, who is always making fun of him, which Howard would probably say is his way of being friends. A comment Howard makes after Dr. Koothrappali's talk with Raj makes Raj believe that his father may be right, so he decides that the best way to move on productively is to take a break from Howard. Will a Howard-less life make any difference in Raj's confidence? Can Howard do anything to change his mind? Leonard sees some similarities in the way that Penny treats him; will that make her treat him any differently? Meanwhile, Sheldon and Amy have decided to use the mathematical approach of decision theory to help plan their wedding. The science alone makes it fun for Sheldon, but science alone can't overcome some of the differences Sheldon and Amy have in their visions of their wedding. Can they overcome their impasse?
Episode 11
The Celebration Reverberation
Thu, Dec 14, 201719 mins
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.
Episode 12
The Matrimonial Metric
Thu, Jan 4, 201820 mins
Sheldon and Amy pick their best-man and maid of honor by experimenting on the gang. Meanwhile, Leonard's self-confidence is still badly damaged after reading his brother's Christmas letter.
Episode 13
The Solo Oscillation
Thu, Jan 11, 201821 mins
In Raj, Amy and Leonard celebrating some professional successes however small, it comes to light that Sheldon is currently working on nothing, which is bothering him. As such, Amy encourages him to focus his attentions on finding a new scientific project to work on. In Sheldon wanting some solitude to focus his attention, Amy takes refuge at Leonard and Penny's. Leonard and Amy bond when they learn that they both were spelling bee champs at school. So they decide to recreate together science projects from their youth. Leonard and Amy's time together leaves Penny to find something else to preoccupy herself in her lack of interest in what Leonard and Amy are doing. Across the hall, the solitude is only magnifying Sheldon's frustration in not having any idea what he wants to do. He may get some inspiration from the most unlikely of sources. Meanwhile, Footprints on the Moon, Howard and Raj's band, has an upcoming gig at a bar mitzvah. Their rehearsing is causing problems at the Wolowitz/Rostenkowski home, both in the noise and Bernadette needing Howard to take care of Halley. This situation leads to Howard suggesting to Raj that he find another band mate to take his place so that he can focus his time on helping Bernadette take care of Halley. While Raj goes on his search for Howard's replacement, Howard manages to find something else to do with his time that has nothing to do with Halley.
Episode 14
The Separation Triangulation
Thu, Jan 18, 201819 mins
Raj meets a girl at the Planetarium, but soon after finds out she is married. Sheldon rents out his old room to use for his work.
Episode 15
The Novelization Correlation
Thu, Feb 1, 201821 mins
The reboot of the "Professor Proton" show with Wil Wheaton assuming the titular role from the now-deceased Arthur Jeffries has just started airing. Sheldon wanting to be Professor Proton has placed Wil back on his enemy list. Without watching it, Sheldon decides to do whatever he can to ensure that the show doesn't succeed. However, in Amy convincing Sheldon at least to watch the show before he criticizes it, Sheldon is surprised that he actually does like the show. But a specific incident on the show brings to light something within Sheldon about which he was somewhat unaware that negatively affects his relationships with his friends, including Amy. Will that incident lead to Sheldon becoming a more empathetic friend, especially to Amy? Meanwhile, Leonard has just started to write his novel, the central character, he wishfully basing on himself, being a physicist named Logan Dean who solves crimes using science. Bernadette, who reads the early pages, convinces Leonard that the lead female character, Ilsa, a beautiful, tough, mean blonde, is based on Penny, whether it be consciously or unconsciously done. If Penny finds out, she may not take too kindly to that characterization of her. If Leonard didn't consciously base it on her, could Ilsa actually be someone else?
Episode 16
The Neonatal Nomenclature
Thu, Mar 1, 201819 mins
Bernadette's due date has come and gone with no sign of her and Howard's baby boy anywhere close to being in sight much to her chagrin. While Howard, who has already done his part to induce labor, figures he has all this extra time and thus is finishing work with Amy on their project proposal, their friends do whatever they can both to keep Bernadette company and to see if they can do anything to make the baby arrive faster. It is during his time with Amy that Howard learns some news about a decision that Bernadette has made unilaterally which may negatively affect what should be one of the happier moments of their joint lives.
Episode 17
The Athenaeum Allocation
Thu, Mar 8, 201820 mins
Amy and Sheldon, more precisely Sheldon has finally decided on a wedding date, which is only two months away. Among the things they have to do now is decide on a venue. Despite the many obstacles, most specifically its exclusivity and the short time frame, they decide on the Athenaeum Club at Cal-Tech, which, from Amy's perspective, is a beautiful locale, while, from Sheldon's perspective, is a place where Albert Einstein frequented as a member and is a place where Albert Einstein frequented as a member and is a place where Albert Einstein frequented as a member. That exclusivity is displayed by Leonard and Sheldon long having been on the wait list to become members. Beyond that exclusivity, Amy and Sheldon waffle on the idea of the Club when they discover certain aspects of it. They do however decide that they would like to hold it there. The problem ends up being that the Club is already booked that day. Under the circumstances, Leonard feels like he should jump through hoops to make this venue happen for Amy and Sheldon. Meanwhile, Howard has decided that either he or Bernadette should be a full time stay at home parent to their two children. In discussing the issue, Howard has a specific choice on which of the two of them it should be, while Bernadette has mixed feelings on her own self as the choice. A day apart in certain routines may show them who, if either, would be the better choice for their situation.
Episode 18
The Gates Excitation
Thu, Mar 29, 201820 mins
Penny informs her friends that she has been asked by her company to be Bill Gates' guide when he comes for a visit. Despite especially Leonard, but also Howard and Raj's pleas to meet him, Penny tells them that it is solely a work function and that she doesn't have the authority to invite anyone along. Using some information inadvertently passed along by Penny, Leonard thinks he's found a way possibly to meet Gates. Going behind Penny's back may backfire on Leonard. Sheldon isn't involved in the begging to meet Gates as he initially believes that being April 1st that it is Penny playing an April's Fools prank solely on him. As the thought that Penny isn't pranking him slowly seeps into Sheldon's brain, he becomes easy prey truly to get pranked. Meanwhile, Stuart is taking the kids for the day leaving Bernadette free to go out for lunch with Amy. Bernadette finds that it is not only difficult to put the Mommy side of herself away, but that her brain has turned to Mommy mush. Amy helps her try to make that adult side of her brain function again. And Stuart is trying to learn Spanish so that he can hit on all the other nannies in the park.
Episode 19
The Tenant Disassociation
Thu, Apr 5, 201821 mins
Because of something that happens associated with the building that they are not too happy about, Leonard, Penny and Amy not only learn that Sheldon is the President of the building's Tenants' Association, but that he *is* the Tenants' Association. As such, he has had the power to implement whatever rule and regulation for the building he feels suits his needs, and issue the associated fine or other penalty to the offending tenant behind the cover of the Association. Having been at the receiving end of of those penalties, Leonard and Penny not only want to challenge Sheldon's presidency but put Leonard in the position instead. Finding that support in the building to topple Sheldon may be more difficult than they imagine. But one person secretly on their side is Amy, who has to find a way to provide that support in a meaningful way without Sheldon knowing that she is going against him. Meanwhile, Howard and Raj find a drone in the backyard. While they want to repair it and keep it, Bernadette wants them to place some effort into finding its true owner. Discovering some information about the drone, Raj ends up siding with Bernadette solely because of that information.
Episode 20
The Reclusive Potential
Thu, Apr 12, 201821 mins
The guys and the girls are having their own individual gatherings this weekend. Penny is organizing Amy's bachelorette party. Amy is expecting it to be a wild and crazy time both because it is a bachelorette party and because Penny, the party animal of the group, is organizing it. What ends up happening is Amy's dream crazy time, at least in her own belief. Meanwhile, Sheldon is spending the weekend with topologist Dr. Robert Wolcott in his remote cabin. Despite being brilliant or because of it, Dr. Wolcott was thought to have gone crazy leading to his paranoid attitude in living off the grid. Sheldon and Dr. Wolcott have been corresponding, with Sheldon believing that Dr. Wolcott may have some insight into his work in string theory. Because of Dr. Wolcott's reputation, the girls want the guys to stay with Sheldon for the weekend just in case Dr. Wolcott does end up being not just crazy but psychotic. What Leonard, Howard and Raj find is that Dr. Wolcott is indeed a bit off-kilter, but as a scientist is brilliant, he who attributes much of his brilliance to his isolation. Meeting Dr. Wolcott may give Sheldon some ideas of his own about how he'd like to live regardless of the fact of soon being a married man.
Episode 21
The Comet Polarization
Thu, Apr 19, 201821 mins
Sheldon's comic book store experience changes when writer Neil Gaiman puts Stuart's store on the map; friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.
Episode 22
The Monetary Insufficiency
Thu, Apr 26, 201819 mins
Sheldon is generally all right with the notion that his current work on black holes can never be duplicated in an experiment and thus never be definitively proven. When Leonard devises a way for Sheldon to design an environment in which an experiment can be modeled, Sheldon decides to ask the university for the money needed to do so: $500,000,000. After his friends tell him there is no way the university is going to give him half a billion dollars, Sheldon has to decide whether to ask for a smaller amount which would no where come close to being able to achieve what he wants to do, or figure out some other way to get the money he really needs. Meanwhile, Amy is in the process of picking out a wedding dress. When Penny and Bernadette accompany her to the dress shop, Amy finds that every dress she tries on is "the one", with Penny and Bernadette agreeing that all the dresses have been beautiful. But when Amy finds the dress she truly believes is the one, Penny and Bernadette have to decide whether to tell Amy that that dress definitely is NOT the one.
Episode 23
The Sibling Realignment
Thu, May 3, 201820 mins
Sheldon learns that his mother will not be attending his and Amy's wedding unless Sheldon invites his older brother, Georgie (who now prefers to be called George), which Sheldon had no intention of doing for all the years that George bullied him when they were growing up. In trying to contact George, Sheldon learns that George equally has no intention of attending. With his mother's attendance on the line, Sheldon, with Leonard tagging along for moral support, has no other option but to go to Dallas, where George lives and works as a tires salesman, to speak to him face-to-face about the issue. As a bystander in the matter, Leonard sees that the facts as told by Sheldon and George may be similar, but the perspective may be a little different. In seeing that difference in perspective, Leonard may find a way for the brothers to bridge the gap. Back in Pasadena, Howard and Bernadette's children have a direct effect on the outward attractiveness of the wedding, the specific issue affecting almost all of the gang. While they as a group try to determine what to do about the matter so as not to have that negative effect on the wedding which is only a week away, Amy, in turn, has to hide it at all cost from Sheldon, this issue which could be a deal breaker for him in going through with the ceremony.
Episode 24
The Bow Tie Asymmetry
Thu, May 10, 201822 mins
Sheldon and Amy's wedding is just days away, with all their friends handling everything for them so that they can focus on what they need to. Something unexpected happens to Howard which affects the wedding in a way that Howard hopes will please Sheldon, but may irk someone else with a key role in the wedding. Much of what the friends need to do is to attend to the needs of the Coopers and the Fowlers who are all arriving from out of town. Those needs are great, especially by Mrs. Cooper and Mrs. Fowler, their wants which may threaten to overtake the festivities. Meanwhile, Sheldon and Amy can only think of something else, all stemming from Amy's comment to Sheldon that in tying his bow tie, it should be asymmetrical and not symmetrical like he is trying to tie it.
