Synopsis

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.

Main Cast

Johnny Galecki

Leonard Hofstadter

Age : N/A | Popularity : 11%

Jim Parsons

Sheldon Cooper

Age : N/A | Popularity : 13%

Kaley Cuoco

Penny

Age : N/A | Popularity : 80%

Simon Helberg

Howard Wolowitz

Age : N/A | Popularity : 18%

Kunal Nayyar

Rajesh Koothrappali

Age : N/A | Popularity : 10%

Melissa Rauch

Bernadette Rostenkowski

Age : N/A | Popularity : 12%

Mayim Bialik

Amy Farrah Fowler

Age : N/A | Popularity : 11%

Episodes

Episode 1

24 September 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. Raj insults physicist Neil deGrasse Tyson and starts a Twitter war.

Episode 2

27 September 2018 - The Wedding Gift Wormhole

Sheldon and Amy drive themselves crazy trying to figure out what 'perfect gift' Leonard and Penny gave them for their wedding. Raj decides he wants to settle down and asks his father to arrange a marriage for him.

Episode 3

04 October 2018 - The Procreation Calculation

The Wolowitzes' life gets complicated when Stuart starts bringing his new girlfriend home. Also, Penny and Leonard talk about starting a family, while Raj explores an arranged marriage.

Episode 4

11 October 2018 - The Tam Turbulence

When Sheldon won't tell anyone why he's never mentioned his childhood best friend, Leonard takes matters into his own hands. Bernadette and Penny take out Raj’s fiancée for dinner to get the skinny on her.

Episode 5

18 October 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 to work with him even it if means accidentally sabotaging her career in the process. Raj doesn’t want Howard to join him in hosting a show at the planetarium.

Episode 6

25 October 2018 - The Imitation Perturbation

When Howard 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.

Episode 7

01 November 2018 - The Grant Allocation Derivation

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 Howard and the kids.

Episode 8

08 November 2018 - The Consummation Deviation

Sheldon tries to bond with Amy's father, but when Howard lures Mr. Fowler away with magic tricks, Sheldon has no choice but to bond with Mrs. Fowler. Raj and Anu try to get physical for the first time.

Episode 9

15 November 2018 - The Citation Negation

Sheldon and Amy are devastated after learning from a Russian paper that Super Asymmetry has already been theorized and disproven. Meanwhile, ultra-competitive Bernadette asks Stuart’s girlfriend to teach her how to beat Howard in a popular video game.

Episode 10

06 December 2018 - The VCR Illumination

Sheldon and Amy are still down about their theory being disproven, 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 Howard ace his Magic Castle audition.

Episode 11

03 January 2019 - The Paintball Scattering

Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy. Also, Raj catches Anu with her ex-boyfriend, and Stuart gets cold feet when Denise hints at the possibility of them living together.

Episode 12

10 January 2019 - The Propagation Proposition

Penny runs into her ex-boyfriend, Zack, who invites her and Leonard to a dinner to meet his newlywed wife. After the dinner the newlywed couple make an odd proposition to Leonard, which makes Penny to freak out. Also, Raj attempts to mend things with his ex-fiancée, Anu.

Episode 13

17 January 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. Also, Bernadette gets one of her drugs approved at work and wants a reluctant Penny to head the sales team.

Episode 14

31 January 2019 - The Meteorite Manifestation

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law. Also, Leonard is disappointed when his friends exclude him from a scientific project.

Episode 15

07 February 2019 - The Donation Oscillation

Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and his wife, Marissa. Also, Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip.

Episode 16

21 February 2019 - The D & D Vortex

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.

Episode 17

07 March 2019 - The Conference Valuation

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in charge of the kids. Also, Sheldon finds a book on experimenting on kids, and the guys plus Amy make a day of it.

Episode 18

04 April 2019 - The Laureate Accumulation

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates Kip Thorne, George Smoot and Frances Arnold to their side. Also, Halley's fear of the dark causes opportunity and conflict at the Wolowitz home.

Episode 19

18 April 2019 - The Inspiration Deprivation

The concept of what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown. Also, Howard and Raj try to relive the good old days after Howard buys a scooter that looks like the one he had years ago.

Episode 20

25 April 2019 - The Decision Reverberation

Raj 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.

Episode 21

02 May 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. Meanwhile, Howard learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

Episode 22

09 May 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. Also, Denise and Stuart overstay their welcome at the Wolowitz house.

Episode 23

16 May 2019 - The Change Constant / The Stockholm Syndrome

Sheldon and Amy await big news. Meanwhile, Penny and Leonard have some big news of their own. Also, Howard and Bernadette face the stressful challenge of leaving their kids for the first time and Raj makes a new friend, as the gang travels together into an uncharted future.

Episode 24

16 May 2019 - Unraveling the Mystery: A Big Bang Farewell

Johnny Galecki and Kaley Cuoco will lead fans on a trip down memory lane, sharing some of the best-kept backstage secrets and personal memories from the past 12 years.

Crew

Department	Role	Name
Production	Co-Executive Producer	Tara Hernandez Jeremy Howe Anthony Del Broccolo Andy Gordon Peter Chakos
	Production Coordinator	Shannon Timberlake
	Casting	Tara Treacy Nikki Valko Ken Miller
	Co-Producer	Justin D. Hetzel Ryan Berdan Mary T. Quigley
	Associate Producer	Charlie Back
	Producer	Robinson Green Kristy Cecil
	Executive Producer	David Goetsch Eric Kaplan Steve Holland Maria Ferrari Steven Molaro Bill Prady Chuck Lorre
	Unit Production Manager	Robinson Green
Camera	Camera Operator	Richard Price Jamie Hitchcock John DeChene Brian W. Armstrong
	Key Grip	David Pearce
	Director of Photography	Steven V. Silver
Writing	Executive Story Editor	Adam Faberman
Art	Construction Coordinator	Rick Puccio
	Art Direction	Francoise Cherry-Cohen
	Production Design	John Shaffner
	Set Decoration	Ann Shea
Crew	Post Production Supervisor	Alexandra Barbone
	Property Master	Scott L. London
	Scientific Consultant	David Saltzberg
Costume & Make-Up	Key Hair Stylist	Sylvia Surdu
	Hair Department Head	Faye Woods
	Key Makeup Artist	Linda Cowan
	Makeup Department Head	Vikki McCarter
	Costume Design	Mary T. Quigley
Editing	Assistant Editor	Todd Morris
	Editor	Peter Chakos
Lighting	Gaffer	John Greene
Directing	Script Supervisor	Julie Fleischer
Sound	Sound Re-Recording Mixer	Bob La Masney Charlie McDaniel
	Theme Song Performance	Barenaked Ladies
	Production Sound Mixer	Bruce Peters
Department	Role	Name

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