Where to stream The Big Bang Theory

Season 12

The Big Bang Theory

Comedy
Romance
TV-PG
8.2 / 10

Season released 24th Sep, 2018.

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Season 12 Episodes

S12 Episode 1

The Conjugal Configuration

Sheldon and Amy's honeymoon in New York doesn't quite go to plan. Penny and Leonard discover an uncomfortable similarity between them and Amy's parents and Koothrappali starts a Twitter war, when he insults physicist Neil deGrasse Tyson.

20 mins · Mon, 24 Sep 2018

S12 Episode 2

The Wedding Gift Wormhole

Sheldon and Amy are at their wit's end trying to figure what "perfect gift" Leonard and Penny gave them as a wedding present. Deciding that it's time he settle down, Koothrappali asks his family to arrange a marriage for him.

21 mins · Thu, 27 Sep 2018

S12 Episode 3

The Procreation Calculation

Stuart's string of new girlfriends complicate things. Penny and Leonard discuss starting a family. Koothrappali considers an arranged marriage.

20 mins · Thu, 4 Oct 2018

S12 Episode 4

The Tam Turbulence

When Sheldon refuses to tell anyone why he's never mentioned his childhood friend Tam, Leonard steps in. Bernadette and Penny invite Raj's fiancée out to dinner to learn more about her.

18 mins · Thu, 11 Oct 2018

S12 Episode 5

The Planetarium Collision

When Amy doesn't have enough time to work on super-asymmetry, Sheldon takes extreme measures to make sure she is available. Meanwhile, Raj isn't keen on Howard joining him as host of a show at the planetarium.

18 mins · Thu, 18 Oct 2018

S12 Episode 6

The Imitation Perturbation

Sheldon is determined to get his own back, when Wolowitz dresses up as him for Halloween. Leonard is upset when Penny can't recall their first kiss.

19 mins · Thu, 25 Oct 2018

S12 Episode 7

The Grant Allocation Derivation

Leonard finds himself stuck in a difficult situation when he becomes responsible for the allocation of extra grant money. Bernadette transforms the backyard playhouse into a place where she can hide from her husband and kids.

19 mins · Thu, 1 Nov 2018

S12 Episode 8

The Consummation Deviation

Sheldon attempts to connect with Amy's father, but when Howard lures Mr Fowler away with his magic tricks, Sheldon is forced to bond with Mrs Fowler instead.

21 mins · Thu, 8 Nov 2018

S12 Episode 9

The Citation Negation

Sheldon and Amy are thrown when a Russian paper states that Super Asymmetry has been discovered and disproved. Bernadette attempts to best Howard in a video game.

20 mins · Thu, 15 Nov 2018

S12 Episode 10

The VCR Illumination

A VHS tape from Sheldon's past motivates him to keep going. Bernadette transforms into a pageant mum, when she attempts to help Howard with his Magic Castle Audition.

20 mins · Thu, 6 Dec 2018

S12 Episode 11

The Paintball Scattering

Leonard and Penny organise a paintball game, leading to chaos when Sheldon becomes jealous of Amy; Stuart feels reluctant about moving in with Denise; Koothrappali catches Anu with her ex-boyfriend.

19 mins · Thu, 3 Jan 2019

S12 Episode 12

The Propagation Proposition

Penny's ex-boyfriend Zack asks Leonard for help after discovering that he's infertile; Koothrappali tries to patch things up with his ex-fiancee, Anu.

19 mins · Thu, 10 Jan 2019

S12 Episode 13

The Confirmation Polarization

Two physicists prove Amy and Sheldon's super asymmetry theory, their happiness spoiled by attempts to kick Amy off the Nobel nomination; Bernadette experiences a big success at work.

20 mins · Thu, 17 Jan 2019

S12 Episode 14

The Meteorite Manifestation

Sheldon gets excited at the chance to help Wolowitz and Bernadette navigate bureaucratic paperwork, until he realises they're breaking the law; Leonard's friends exclude him from a scientific project.

19 mins · Thu, 31 Jan 2019

S12 Episode 15

The Donation Oscillation

Penny attempts to thwart Leonard's plan to be sperm donor for her ex; Bernadette, Wolowitz, Koothrappali and Anu turn Koothrappali's cancelled bachelor party into a couples trip on the `vomit comet'.

21 mins · Thu, 7 Feb 2019

S12 Episode 16

The D & D Vortex

The gang compete for the one open chair at Wil Wheaton's Dungeons & Dragons game, where celebrities William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith are set to be in attendance.

20 mins · Thu, 21 Feb 2019

S12 Episode 17

The Conference Valuation

With Penny and Bernadette out of town for a convention, Howard is left in charge of Michael and Halley. Meanwhile, Sheldon comes across a book about experimenting on children.

19 mins · Thu, 7 Mar 2019

S12 Episode 18

The Laureate Accumulation

Sheldon and Amy strive to win over Nobel laureates Kip Thorne, George Smooth, and Frances Arnold. Meanwhile, Halley's fear of the dark leads to conflict.

21 mins · Thu, 4 Apr 2019

S12 Episode 19

The Inspiration Deprivation

The pressure of winning a Nobel Prize starts to get to Amy. Meanwhile, Raj and Howard attempt to relive the good old days when Howard purchases a scooter that resembles the one he used to own.

20 mins · Thu, 18 Apr 2019

S12 Episode 20

The Decision Reverberation

Raj is concerned that his scientific peers will no longer take him seriously after publishing a paper that suggests he may have found alien life. Meanwhile, Leonard hopes to become the principal investigator on a plasma physics study.

19 mins · Thu, 25 Apr 2019

S12 Episode 21

The Plagiarism Schism

Kripke finds proof that Dr Pemberton plagiarised his thesis in college; Wolowitz learns that Bernadette wasn't the only one with a crush on him.

19 mins · Thu, 2 May 2019

S12 Episode 22

The Maternal Conclusion

Leonard is surprised when Beverly comes to visit and is actually kind to him. Meanwhile, Denise and Stuart overstay their welcome when they visit the Wolowitz house.

20 mins · Thu, 9 May 2019

S12 Episode 23

The Change Constant

Sheldon and Amy are waiting on some big news; Penny and Leonard try to keep a secret; Bernadette and Wolowitz leave their children for the first time.

19 mins · Thu, 16 May 2019

S12 Episode 24

The Stockholm Syndrome

Penny and Leonard try their best to keep a secret; Bernadette and Howard struggle to leave their kids for the first time; Raj makes a new friend.

23 mins · Thu, 16 May 2019

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