Season 12
(2018)
Overview
Best friends and brilliant physicists Leonard Hofstadter and Sheldon Cooper are geniuses in the lab but socially challenge outside of it. Despite this, Leonard married his beautiful, street-smart neighbour, Penny. And Sheldon, after a long courtship, wed successful neurobiologist Amy. And while aerospace engineer Howard and his adorable microbiologist wife, Bernadette, explore the predicament of being married with two kids, astrophysicist Raj considers a traditional arranged marriage. As the su…
Cast
as Leonard Hofstadter
as Sheldon Cooper
as Penny
as Howard Wolowitz
as Rajesh Koothrappali
as Bernadette Rostenkowski
as Amy Farrah Fowler
Episodes
The Conjugal Configuration 9.9
September 24, 2018
Sheldon and Amy's honeymoon runs aground in New York. Penny and Leonard discover they are uncomfortably similar to Amy'…
The Wedding Gift Wormhole 7.4
September 27, 2018
Sheldon and Amy drive themselves crazy trying to figure out what 'perfect gift' Leonard and Penny gave them for their w…
The Procreation Calculation 7.0
October 4, 2018
The Wolowitzes' life gets complicated when Stuart starts bringing his new girlfriend home. Also, Penny and Leonard talk…
The Tam Turbulence 7.0
October 11, 2018
When Sheldon won't tell anyone why he's never mentioned his childhood best friend, Leonard takes matters into his own h…
The Planetarium Collision 6.9
October 18, 2018
When Amy doesn’t have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she’s available to work …
The Imitation Perturbation 7.5
October 25, 2018
When Howard dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Leon…
The Grant Allocation Derivation 7.0
November 1, 2018
Leonard is caught between a rock and a hard place when he's responsible for distributing extra grant money. Bernadette …
The Consummation Deviation 7.0
November 8, 2018
Sheldon tries to bond with Amy's father, but when Howard lures Mr. Fowler away with magic tricks, Sheldon has no choice…
The Citation Negation 7.2
November 15, 2018
Sheldon and Amy are devastated after learning from a Russian paper that Super Asymmetry has already been theorized and …
The VCR Illumination 7.0
December 6, 2018
Sheldon and Amy are still down about their theory being disproven, but a VHS tape from Sheldon’s past inspires him not …
The Paintball Scattering 7.0
January 3, 2019
Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy. Also, Raj catches An…
The Propagation Proposition 6.9
January 10, 2019
Penny runs into her ex-boyfriend, Zack, who invites her and Leonard to a dinner to meet his newlywed wife. After the di…
The Confirmation Polarization 6.8
January 17, 2019
Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy …
The Meteorite Manifestation 6.8
January 31, 2019
Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaki…
The Donation Oscillation 6.7
February 7, 2019
Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and his wife, Marissa. A…
The D & D Vortex 7.1
February 21, 2019
The gang finds out Wil Wheaton hosts a celebrity Dungeons and Dragons game involving William Shatner, Joe Manganiello, …
The Conference Valuation 6.7
March 7, 2019
When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in charge of the kids. Als…
The Laureate Accumulation 6.9
April 4, 2019
When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates…
The Inspiration Deprivation 6.5
April 18, 2019
The concept of what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown. …
The Decision Reverberation 6.6
April 25, 2019
Raj is worried people won’t take him seriously in his own field after publishing a paper that suggests he may have disc…
The Plagiarism Schism 6.9
May 2, 2019
Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should t…
The Maternal Conclusion 7.3
May 9, 2019
Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the rea…
The Change Constant / The Stockholm Syndrome 7.8
May 16, 2019
Sheldon and Amy await big news. Meanwhile, Penny and Leonard have some big news of their own. Also, Howard and Bernadet…
Unraveling the Mystery: A Big Bang Farewell 8.1
May 16, 2019
Johnny Galecki and Kaley Cuoco will lead fans on a trip down memory lane, sharing some of the best-kept backstage secre…