Season 12

Season 12 is the final season of The Big Bang Theory.
On Tuesday, March 21, 2017, it was announced that The Big Bang Theory would be renewed for two more seasons after Season 10, which means there is a Season 11 and a Season 12.http://www.nme.com/news/tv/big-bang-theory-renewed-two-seasons-2019-2024066 It was thought that Season 12 would be the last TBBT season due to comments by the cast members. CBS eventually confirmed this would be the last season, meaning that there would definitely not be another season.https://www.spoilertv.com/2018/08/the-big-bang-theory-ending-after-season.htmlIt premiered on Monday, September 24, 2018, and the series two episode finale aired on Thursday, May 16, 2019.
==Cast==
=== Main Cast ===
*Johnny Galecki as Leonard Hofstadter (24/24)
*Jim Parsons as Sheldon Cooper (24/24)
*Kaley Cuoco as Penny Hofstadter (24/24)
*Simon Helberg as Howard Wolowitz (24/24)
*Kunal Nayyar as Rajesh Koothrappali (24/24)
*Mayim Bialik as Amy Farrah Fowler (24/24)
*Melissa Rauch as Bernadette Rostenkowski-Wolowitz (24/24)
*Kevin Sussman as Stuart Bloom (11/24)
=== Recurring Cast ===
* Christine Baranski as Beverly Hofstadter (3/24)
* Brian Posehn as Bert Kibbler (5/24)
* Brian George as V. M. Koothrappali (2/24)
* Lauren Lapkus as Denise (6/24)
* Keith Carradine as Wyatt Teller (2/24)
* Rati Gupta as Anu (9/24)
* Joshua Malina as President Siebert (9/24)
* John Ross Bowie as Barry Kripke (3/24)
* Brian Thomas Smith as Zack Johnson (2/24)
* Lindsey Kraft as Marissa Johnson (2/24)
* Kal Penn as Kevin Campbell (3/24)
* Sean Astin as Greg Pemberton (3/24)
* Teller as Larry Fowler (2/24)
* Kathy Bates as Mrs. Fowler (2/24)
* Jerry O'Connell as George Cooper Jr. (2/24)
=== Guest Cast ===
* Bob Newhart as Professor Proton
* Neil deGrasse Tyson as himself
* Bill Nye as himself
* Robert Wu as Tam Nguyen
* Maribeth Monroe as Dr. Lee
* Iain Armitage as Young Sheldon Cooper
* Lance Barber as George Cooper Sr.
* Montana Jordan as Young George Cooper Jr.
* Andy Daly as Nathan
* William Shatner as himself
* Wil Wheaton as himself
* Kevin Smith as himself
* Kareem Abdul-Jabbar as himself
* Joe Manganiello as himself
* Ellen DeGeneres as herself
* George Smoot as himself
* Kip Thorne as himself
* Frances H. Arnold as herself
* Regina King as Janine Davis
* Todd Giebenhain as Mitch
* Sarah Michelle Gellar as herself
* Mark Hamill as himself
==Episodes==
Episode (Series)	
Episode (Season/Ep#)	Title 	Original Air Date 	Directed By 	Description
256 	1201	The Conjugal Configuration 	September 24, 2018	Mark Cendrowski	The Coopers are on their honeymoon in New York City, the Hofstadters find Larry Fowler hiding in Shamy's apartment and Raj has a Twitter fight with Neil deGrasse Tyson, which also gets Bill Nye involved.
257 	1202	The Wedding Gift Wormhole 	September 27, 2018	Mark Cendrowski	Stuart gets the nerve up to ask Denise out on a date, Leonard and Penny give Sheldon and Amy a strange wedding gift and Raj asks his father to find a wife for him.
258 	1203	The Procreation Calculation 	October 4, 2018 	Mark Cendrowski	The Wolowitzes' life gets complicated when Stuart starts bringing his new girlfriend home. Penny and Leonard talk about starting a family while Koothrappali explores an arranged marriage.
259 	1204	The Tam Turbulence 	October 11, 2018 	Mark Cendrowski	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 out Raj's fiancée, Anu, for dinner to get the skinny on her.
260 	1205	The Planetarium Collision 	October 18, 2018 	Mark Cendrowski	When Amy doesn't have time to work on Super-Asymmetry, Sheldon goes to great lengths to ensure she's available to work with him even it if means accidentally sabotaging her career in the process. Also, Raj doesn't want Howard to join him in hosting a show at the planetarium.
261 	1206	The Imitation Perturbation 	October 25, 2018 	Mark Cendrowski	When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Leonard is shocked that Penny doesn't remember their first kiss.
262 	1207	The Grant Allocation Derivation	November 1, 2018 	Mark Cendrowski	Leonard is caught between a rock and a hard place when he's responsible for distributing extra grant money. Bernadette turns the backyard playhouse into a hideaway from her husband and kids.
263 	1208	The Consummation Deviation 	November 8, 2018 	Mark Cendrowski	Sheldon tries to bond with Mr. Fowler, but when Wolowitz lures Mr. Fowler away with magic tricks, Sheldon has no choice but to bond with Mrs. Fowler. Also, Raj and Anu to get physical for the first time.
264 	1209	The Citation Negation 	November 15, 2018 	Kristy Cecil 	Leonard researches citations for Sheldon and Amy's paper. He finds a Russian paper that basically discredits super-asymmetry. Bernadette tries to beat Howard and Raj at Fortnite, and recruits help from Denise.
265 	1210	The VCR Illumination 	December 6, 2018 	Mark Cendrowski	Sheldon and Amy are still down about their theory being disproved, but 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 ace his Magic Castle audition.
266 	1211	The Paintball Scattering 	January 3, 2019 	Mark Cendrowski	Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy. Raj catches Anu with her ex-boyfriend, and Stuart doesn't want to move in with Denise.
267 	1212	The Propagation Proposition 	January 10, 2019 	Mark Cendrowski	Penny’s ex-boyfriend, Zack, and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Raj attempts to mend things with Anu.
268 	1213	The Confirmation Polarization 	January 17, 2019 	Mark Cendrowski	When Sheldon & Amy's super-asymmetry theory is proven by two physicists, Greg Pemberton & Kevin Campbell from Chicago, they're thrilled, until they try to kick Amy off the Nobel Prize nomination. Also, Bernadette has a big success at work and Penny's going to be a part of it, whether she wants to or not.
269 	1214	The Meteorite Manifestation 	January 31, 2019 	Mark Cendrowski	Sheldon helps the Wolowitzes with some paperwork until he finds them in an illegal venture. Leonard is excluded from a scientific project.
270 	1215	The Donation Oscillation 	February 7, 2019 	Mark Cendrowski	Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and his wife, Marissa. Howard, Raj, and the girls turn the canceled bachelor party in a trip aboard the "Vomit Comet".
271 	1216	The D & D Vortex 	February 21, 2019 	Mark Cendrowski	When the gang finds out Wil Wheaton hosts a celebrity Dungeons and Dragons game involving William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith, deception and betrayal are the path to make it to the one open seat.
272 	1217	The Conference Valuation 	March 7, 2019 	Mark Cendrowski	Bernadette and Penny go off to a conference while Howard is left watching their kids. Sheldon gets into doing experiments on the Wolowitz children.
273 	1218	The Laureate Accumulation 	April 4, 2019 	Mark Cendrowski	Sheldon and Amy are still fighting for recognition of their Super-Asymmetry theory while their rivals are on a media tour. Bernadette wants to write a children's book about Howard's trip to outer space and him over coming his fears.
274 	1219	The Inspiration Deprivation 	April 18, 2019 	Mark Cendrowski	The concept of what it'd mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown. Also, Koothrappali & Wolowitz try to relive the good old days after Wolowitz buys a Vespa scooter that looks like the one he had years ago.
275 	1220	The Decision Reverberation 	April 25, 2019 	Mark Cendrowski	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. Also, Leonard wants to be the principal investigator on a plasma physics study.
276 	1221	The Plagiarism﻿﻿﻿ ﻿Schism﻿﻿﻿﻿﻿﻿	May 2, 2019 	Nikki Lorre 	Sheldon and Amy discover Pemberton likes to mooch off others' work instead of doing things on his own, but Penny and Leonard take the whistleblowing into their own hands which fails and then goes to Kevin Campbell for swift resolution. The Cheesecake Factory make a late series return as Bernadette tells Howard that another waitress had a crush on him but that she herself made sure that didn't go any farther, and Howard tries to find out who it was.
277 	1222	The Maternal Conclusion 	May 9, 2019 	Kristy Cecil 	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. Also, Denise and Stuart overstay their welcome at the Wolowitz House.
278 	1223	The Change Constant 	May 16, 2019 	Mark Cendrowski	Sheldon and Amy await big news, Sheldon has to deal with the attention and Amy decides to make some changes.
279 	1224	The Stockholm Syndrome 	May 16, 2019 	Mark Cendrowski	Howard and Bernadette leave their kids for the first time, Leonard and Penny try to keep a secret, Sheldon and Amy stick together, & Raj makes a new friend as the gang travels together toward an uncharted future
==Trivia==
* Amy's parents returned to appear again this season after they attended Sheldon and Amy's Wedding. It has been confirmed they would appear in an episode this season. They appeared in the premiere episode.https://twitter.com/bigbangtheory/status/1020370544904978432 They reappeared on the eighth episode as well, in which contrasting with Sheldon bonding with Howard's father-in-law, Howard bonded with Sheldon's father-in-law.
* Penny's father, Wyatt, reappeared in the third episode.https://tvline.com/2018/09/04/the-big-bang-theory-keith-carradine-season-12-wyatt-return/ He made his last appearance in the fifteenth episode.
* Amy and Sheldon have their only year as a married couple onscreen.
* Tam Nguyen appeared in an episode this season (episode four) and Sheldon revealed where he was the past 11 seasons. He is played by Robert Wu.
* Mary Cooper never appeared in Season 12, yet was mentioned many times.
* Sheldon and Amy's honeymoon was confirmed to be happening in the premiere episode.
* On August 22, 2018, CBS announced that Season 12 was going to be the final season.
* Neil deGrasse Tyson and Bill Nye both appeared in the premiere episode.
* Last call for The Big Bang Theory! Jim Parsons pulled the plug after declining a 50 million dollar deal.
* Bert Kibbler appeared in the second, sixth, fourteenth and series finale episodes.
* V. M. Koothrappali made his last appearances in the second and twelfth episodes.
* Denise appeared in the 2nd, third, ninth, eleventh, fourteenth and twenty-second episodes.
* Sheldon and Amy honeymooned in New York and at LEGOLAND.
* Stuart and Denise started dating in the second episode.
* Leonard and Penny discussed having children in the third episode and decided not to have any. However, the series finale has them with a treat.
* Bob Newhart's last appearance in episode five as Professor Proton's spirit.
* Jerry O'Connell returned as Sheldon's brother George Cooper Jr. in episode four.
* President Siebert appeared in several episodes.
*Chuck Lorre announced that two episodes had been aired as the series finale.https://tvline.com/2019/02/08/the-big-bang-theory-series-finale-one-hour-two-parter/
* Penny and Leonard Hofstadter decided not to have kids and will become a cool uncle and aunt to Howard and Bernadette's children, but they had a surprise by series end.
* Barry Kripke appeared in his last four episodes saying goodbye to the fans alongside Caltech, President Siebert and The Cheesecake Factory just before the remaining characters followed.
* Raj was set up in an arranged marriage to a woman named Anu. They become engaged in the third episode, but stopped the wedding to date for a while.
* Raj and Anu had set their wedding date for Valentine's Day 2019, but it was called off in the "The Paintball Scattering". The couple decided to rekindle their romance in "The Propagation Proposition"
* A crossover of sorts with "Young Sheldon" happened in December, as the younger versions of Sheldon (Iain Armitage), Georgie (Montana Jordan), and their father George Sr. (Lance Barber) guest starred in "The VCR Illumination" appearing on a thirty-year-old VHS tape.https://deadline.com/2018/11/the-big-bang-theory-iain-armitage-lance-barber-montana-jordan-to-appear-in-young-sheldon-crossover-1202501902/
* Christine Baranski made her last appearances as Beverly Hofstadter in the tenth, seventeenth and twenty-second episodes.
* Zack Johnson reappeared in the twelfth episode, along with his new wife Marissa. They wanted to have a baby, but needed a sperm donation since Zack was infertile. They made their last appearance in the fifteenth episode.
* The Super-Asymmetry discovery is confirmed and will be submitted for a Nobel Prize per "The Confirmation Polarization", but Amy was being kicked off the team.
* William Shatner made a guest appearance in the sixteenth episode with Kareem Abdul-Jabbar, having a Dungeons and Dragons game. Said episode is Wil Wheaton's and Dungeons and Dragons last.
* Penny reveals her sister's name in the fifteenth episode, which is Lisa.
* Leonard decided not to go through with the sperm donation for Zack.
* In the penultimate episode, the elevator is fully repaired and functional.
* In the series finale, it's revealed that Penny is pregnant.
* Sarah Michelle Gellar made a cameo appearance in the series finale and was a guest at the Nobel Prize ceremony. 
== Gallery ==
File:Season12A.jpg
File:Season12B.png
File:Season12C2.png
File:The Big Bang Theory Season 12 DVD.jpg
File:The Big Bang Theory Season 12 Bluray and DVD.jpg
File:The Big Bang Theory Season 12 Poster.jpg
File:12th Season Poster.jpg
== Videos ==
The Big Bang Theory Season 12 "Cast on What They'll Miss Most" Featurette (HD)
The Big Bang Theory Season 12 "Thank You Fans" Featurette (HD)
==References==
Category:Episodes
Category:Sheldon Cooper
Category:Penny
Category:Leonard Hofstadter
Category:Howard Wolowitz
Category:Rajesh Koothrappali
Category:Amy Farrah Fowler
Category:Bernadette Rostenkowski-Wolowitz
Category:Howard-Bernadette
Category:Shamy
Category:Apartment 4B
Category:The Apartment Building
Category:Halley Wolowitz
Category:Season 12 (The Big Bang Theory)
Category:Raj Talks Without Alcohol
Category:Mrs. Fowler
Category:Stuart
Category:Professor Proton
Category:Hofstadter Family
Category:Cooper Family
Category:President Siebert
Category:Seasons