Season 12

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 supersmart friends solve quotidian conundrums posed by academia. Family crises and video games, their experiments in domestic bliss never fail to produce hilarious results. But all good theories arrive at a conclusion. The twelfth and final season of "television's perpetual laughter continuum comprises" 24 supercharged episodes that take comedy to the next dimension...and beyond.

Season episodes list 12

S12E01

S12E01 : The Conjugal Configuration 9.12/10 (aired on 09/24/2018)

Sheldon and Amy’s honeymoon runs aground in New York, while Penny and Leonard discover they are…
S12E02

S12E02 : The Wedding Gift Wormhole 7.86/10 (aired on 09/27/2018)

Sheldon and Amy drive themselves crazy trying to figure out what “perfect gift” Leonard and Penny…
S12E03

S12E03 : The Procreation Calculation 7.82/10 (aired on 10/04/2018)

The Wolowitzes’ life gets complicated when Stuart starts bringing his new girlfriend home. Also,…
S12E04

S12E04 : The Tam Turbulence 7.84/10 (aired on 10/11/2018)

When Sheldon won’t tell anyone why he’s never mentioned Tam, his childhood best friend, Leonard…
S12E05

S12E05 : The Planetarium Collision 7.73/10 (aired on 10/18/2018)

When Amy doesn’t have time to work on super-asymmetry, Sheldon goes to great lengths to ensure…
S12E06

S12E06 : The Imitation Perturbation 8.06/10 (aired on 10/25/2018)

When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny’s…
S12E07

S12E07 : The Grant Allocation Derivation 7.64/10 (aired on 11/01/2018)

Leonard is caught between a rock and a hard place when he’s responsible for distributing extra…
S12E08

S12E08 : The Consummation Deviation 8.3/10 (aired on 11/08/2018)

Sheldon tries to bond with Amy’s father, but when Wolowitz lures Mr. Fowler away with magic tricks,…
S12E09

S12E09 : The Citation Negation 7.95/10 (aired on 11/15/2018)

Sheldon and Amy are devastated after learning from a Russian paper that Super Asymmetry has already…
S12E10

S12E10 : The VCR Illumination 8.02/10 (aired on 12/06/2018)

Sheldon and Amy are still down about their theory being disproven, but a VHS tape from Sheldon’s…
S12E11

S12E11 : The Paintball Scattering 8.21/10 (aired on 01/03/2019)

Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy.…
S12E12

S12E12 : The Propagation Proposition 7.82/10 (aired on 01/10/2019)

Penny's ex-boyfriend, Zack, and his wife want a baby, but when Zack is infertile, they ask Leonard…
S12E13

S12E13 : The Confirmation Polarization 7.82/10 (aired on 01/17/2019)

Sheldon and Amy's super asymmetry theory is proven by two physicists, Dr. Pemberton and Dr.…
S12E14

S12E14 : The Meteorite Manifestation 7.62/10 (aired on 01/31/2019)

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he…
S12E15

S12E15 : The Donation Oscillation 7.8/10 (aired on 02/07/2019)

Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and…
S12E16

S12E16 : The D & D Vortex 8.1/10 (aired on 02/21/2019)

The gang finds out Wil Wheaton hosts a celebrity Dungeons and Dragons game involving William…
S12E17

S12E17 : The Conference Valuation 7.87/10 (aired on 03/07/2019)

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in…
S12E18

S12E18 : The Laureate Accumulation 8.23/10 (aired on 04/04/2019)

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to…
S12E19

S12E19 : The Inspiration Deprivation 8.1/10 (aired on 04/18/2019)

The concept of what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy…
S12E20

S12E20 : The Decision Reverberation 8.11/10 (aired on 04/25/2019)

Koothrappali is worried people won't take him seriously in his own field after publishing a paper…
S12E21

S12E21 : The Plagiarism Schism 8.24/10 (aired on 05/02/2019)

Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't…
S12E22

S12E22 : The Maternal Conclusion 7.86/10 (aired on 05/09/2019)

Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until…
S12E23

S12E23 : The Change Constant 8.8/10 (aired on 05/16/2019)

Sheldon and Amy await big news.
S12E24

S12E24 : The Stockholm Syndrome 8.69/10 (aired on 05/16/2019)

Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a…