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Season 12 – The Big Bang Theory

Play trailer Poster for Season 12 – The Big Bang Theory 2018 Comedy Play Trailer Watchlist
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83% Tomatometer 18 Reviews 87% Popcornmeter 250+ Ratings
Mensa-fied best friends and roommates Leonard and Sheldon, physicists who work at the California Institute of Technology, may be able to tell everybody more than they want to know about quantum physics, but getting through most basic social situations, especially ones involving women, totally baffles them. How lucky, then, that babe-alicious waitress/aspiring actress Penny moves in next door. Frequently seen hanging out with Leonard and Sheldon are friends and fellow Caltech scientists Wolowitz and Koothrappali. Will worlds collide? Does Einstein theorize in the woods?
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The Big Bang Theory — Season 12

The Big Bang Theory — Season 12

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Critics Consensus

There is comfort in finding that not much has changed in its final season, as the tried-and-true themes and jokes of the previous 11 seasons brings The Big Bang Theory to a tender ending.

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Critics Reviews

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Lincee Ray Entertainment Weekly There is no BAZINGA. The moment is sweet, sincere, and lovely. I appreciated the low-key ending of a show that started with a big bang. May 17, 2019 Full Review Kathryn VanArendonk New York Magazine/Vulture However big a role pop culture may have played in its stories, the show itself could never have served as a barometer for the rest of pop culture. It's impossible to be a meaningful barometer if the dial only ever reads one thing. May 17, 2019 Full Review Emily St. James Vox It's mostly fizzling out, compared even to the end of HBO's much-less-watched Veep May 17, 2019 Full Review Bill Brioux Brioux.tv There was some genuine emotion... Lorre and the others pulled a few Pinocchio strings, turning their hero a real, live boy by the end. There was also a bit of Wizard of Oz. Nov 2, 2022 Full Review Noah Berlatsky NBC News THINK The critical disdain and indifference the show has experienced is its longest, most obsessive running joke, on itself, but also on its detractors. After 12 years, "The Big Bang Theory" gets the final "Bazinga!" Aug 29, 2019 Full Review Dan Hamamura Pajiba I'm going to remember those writing credits, and that little hat tip to the fact that indeed, nobody, not even insanely powerful television showrunners, accomplishes anything alone. May 21, 2019 Full Review Read all reviews

Audience Reviews

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Ed R A captivating season with a touching ending. Rated 4.5 out of 5 stars 08/04/25 Full Review Audience Member So sad it ended :( , loved the show 5star!!!!! Rated 5 out of 5 stars 07/03/25 Full Review BRENDEN J Season twelve of The Big Bang Theory was a great Farwell to one of the greatest tv sitcom shows of all time. Rated 5 out of 5 stars 04/09/25 Full Review Shayla ? Perfect. Everything about this series has been perfect. The best thing ive ever watched and i am physically unable to critique or hate on this series. (I best not see any negative comments about it either, thank you!) Rated 5 out of 5 stars 11/28/24 Full Review Lynn L Pass on this great show to more viewers. Rated 5 out of 5 stars 07/25/24 Full Review Theode A I really liked the last Episode from S12 because you can really see how much Sheldon changed as Person in this series (The Noble Price speech he gave was really good) . Rated 4.5 out of 5 stars 07/24/24 Full Review Read all reviews
The Big Bang Theory — Season 12

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Cast & Crew

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Chuck Lorre

Creator

Johnny Galecki

Leonard Hofstadter

Jim Parsons

Sheldon Cooper

Kaley Cuoco

Penny

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Raj Koothrappali

Episodes

Episode 1 Aired Sep 24, 2018 The Conjugal Configuration Sheldon and Amy's honeymoon runs aground in New York; Penny and Leonard discover they are uncomfortably similar to Amy's parents; Koothrappali insults physicist Neil deGrasse Tyson and starts a Twitter war. Details Episode 2 Aired Sep 27, 2018 The Wedding Gift Wormhole Sheldon and Amy go crazy trying to figure out what "perfect gift" Leonard and Penny gave them for their wedding; Koothrappali decides to settle down and asks his father to arrange a marriage for him. Details Episode 3 Aired Oct 4, 2018 The Procreation Calculation Life gets complicated when Stuart starts bringing his new girlfriend home; Penny and Leonard talk about starting a family; Koothrappali explores an arranged marriage. Details Episode 4 Aired Oct 11, 2018 The Tam Turbulence When Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, Leonard takes matters into his own hands; Bernadette and Penny take Raj's fiancee out to dinner to get to know her. Details Episode 5 Aired Oct 18, 2018 The Planetarium Collision When Amy doesn't have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she's available; Koothrappali doesn't want Wolowitz to join him in hosting a show at the planetarium. Details Episode 6 Aired Oct 25, 2018 The Imitation Perturbation When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss. Details Episode 7 Aired Nov 1, 2018 The Grant Allocation Derivation Leonard is caught between a rock and a hard place when he becomes responsible for distributing extra grant money; Bernadette turns the backyard playhouse into a hideaway to get away from her husband and kids. Details Episode 8 Aired Nov 8, 2018 The Consummation Deviation Sheldon tries to bond with Amy's father, but when Wolowitz lures Mr. Fowler away with magic tricks, Sheldon has no choice but to bond with Mrs. Fowler; Koothrappali and Anu try to get physical for the first time. Details Episode 9 Aired Nov 15, 2018 The Citation Negation Sheldon and Amy are devastated after learning from a Russian paper that Super Asymmetry has already been discovered and disproved; Bernadette wants to beat Howard in a popular video game. Details Episode 10 Aired Dec 6, 2018 The VCR Illumination A VHS tape from Sheldon's past inspires him not to give up; Bernadette turns into a pageant mom when she tries to help Wolowitz with his Magic Castle audition. Details Episode 11 Aired Jan 3, 2019 The Paintball Scattering Penny and Leonard organize a paintball game, which results in mayhem when Sheldon becomes jealous of Amy; Koothrappali catches Anu with her ex-boyfriend; Stuart doesn't want to move in with Denise. Details Episode 12 Aired Jan 10, 2019 The Propagation Proposition Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu. Details Episode 13 Aired Jan 17, 2019 The Confirmation Polarization Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work. Details Episode 14 Aired Jan 31, 2019 The Meteorite Manifestation Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project. Details Episode 15 Aired Feb 7, 2019 The Donation Oscillation Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend; Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip aboard the "vomit comet." Details Episode 16 Aired Feb 21, 2019 The D & D Vortex The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith. Details Episode 17 Aired Mar 7, 2019 The Conference Valuation When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is left in charge of the kids; Sheldon finds a book about experimenting on kids. Details Episode 18 Aired Apr 4, 2019 The Laureate Accumulation When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict. Details Episode 19 Aired Apr 18, 2019 The Inspiration Deprivation The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago. Details Episode 20 Aired Apr 25, 2019 The Decision Reverberation Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life; Leonard wants to be the principal investigator on a plasma physics study. Details Episode 21 Aired May 2, 2019 The Plagiarism Schism Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him. Details Episode 22 Aired May 9, 2019 The Maternal Conclusion Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house. Details Episode 23 Aired May 16, 2019 The Change Constant Sheldon and Amy await big news. Details Episode 24 Aired May 16, 2019 The Stockholm Syndrome Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; Koothrappali makes a new friend; the gang travels together into an uncharted future. Details

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The Big Bang Theory — Season 12

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Season Info

Director
Mark Cendrowski, Kristy Cecil, Nicole Lorre
Creator
Chuck Lorre
Executive Producer
Chuck Lorre, Bill Prady, Steven Molaro
Screenwriter
Chuck Lorre, Eric Kaplan, Steven Molaro, Tara Hernandez, Adam Faberman, Bill Prady, Alex Yonks, Steve Holland, David Goetsch, Maria Ferrari, Jeremy Howe, Andrew Gordon, Anthony Del Broccolo
Network
CBS
Rating
TV-PG (D|L)
Genre
Comedy
Original Language
English
Release Date
Sep 24, 2018