The Big Bang Theory
Season 9

s09e01 / The Matrimonial Momentum

22nd Sep '15 - 12:00am
The Matrimonial Momentum

Sheldon is confronted by a mystery of the universe he cannot unravel: when a woman wants time apart to think, exactly how much time does that mean, and is there any way to hurry the process along? In Las Vegas, Penny and Leonard march closer to marching down the aisle, but has Penny gotten over Leonard's infidelity? And if so, will he do anything to un-get her over it?.

28289 have watched this episode

s09e02 / The Separation Oscillation

29th Sep '15 - 12:00am
The Separation Oscillation

Leonard confronts the woman he kissed on the North Sea in an attempt to set Penny's mind at ease. Also, Sheldon films a special episode of "Fun with Flags" after his breakup with Amy, and Bernadette feels guilty about withholding a secret from Penny.

27656 have watched this episode

s09e03 / The Bachelor Party Corrosion

6th Oct '15 - 12:00am
The Bachelor Party Corrosion

The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Also, the girls force Penny to finally tell her family that she eloped with Leonard.

28172 have watched this episode

s09e04 / The 2003 Approximation

13th Oct '15 - 12:00am
The 2003 Approximation

Leonard and Penny finally move in together leaving Sheldon very upset with this big change in his life and wishing he could go back to a time when he had no emotions in 2003 before he met Leonard. Raj, Howard and Stuart attempt to form a band.

27863 have watched this episode

s09e05 / The Perspiration Implementation

20th Oct '15 - 12:00am
The Perspiration Implementation

The guys take a fencing lesson from Barry Kripke and Sheldon finds himself in an awkward position when Kripke expresses interest in Amy. Also, when Stuart struggles to get female customers at the Comic Book Store, Penny, Amy and Bernadette come by to help him out.

27595 have watched this episode

s09e06 / The Helium Insufficiency

27th Oct '15 - 12:00am
The Helium Insufficiency

In the midst of a nation-wide helium shortage, Sheldon and Leonard take desperate measures to get the supplies they need. Also, Penny and Bernadette download a dating app on Amy's phone to try and find her a new man.

27254 have watched this episode

s09e07 / The Spock Resonance

6th Nov '15 - 1:00am
The Spock Resonance

Wil Wheaton interviews Sheldon for a Star Trek documentary where he reveals the ring and his plan to propose to Amy. Bernadette wants to start renovating the house and the topic of starting a family with Howard is brought up.

27381 have watched this episode

s09e08 / The Mystery Date Observation

13th Nov '15 - 1:00am
The Mystery Date Observation

Amy has a formal date which Leonard, Penny and Bernadette secretly spy on. Sheldon has Howard and Raj help him find a new girlfriend since they found Amy for him.

27194 have watched this episode

s09e09 / The Platonic Permutation

20th Nov '15 - 1:00am
The Platonic Permutation

It's Thanksgiving. Sheldon and Amy go on a lunch date to the aquarium as friends. Howard, Bernadette, Raj and Emily help out at a soup kitchen. Leonard and Penny make their first Thanksgiving dinner as a married couple.

26970 have watched this episode

s09e10 / The Earworm Reverberation

11th Dec '15 - 1:00am
The Earworm Reverberation

Sheldon, while listening to a Beach Boys song, realizes he cannot get the song or Amy out of his head and realizes how much she has done for him and how much she means to him.

26813 have watched this episode

s09e11 / The Opening Night Excitation

18th Dec '15 - 1:00am
The Opening Night Excitation

As the guys prepare to go to the premiere of the new Star Wars movie, Sheldon plans a special event for Amy's birthday.

26495 have watched this episode

s09e12 / The Sales Call Sublimation

8th Jan '16 - 1:00am
The Sales Call Sublimation

Leonard visits a psychiatrist so Penny can make a sales call. Stuart moves out of the Wolowitz house. Sheldon works with Raj looking for extra-solar planets.

26704 have watched this episode

s09e13 / The Empathy Optimization

15th Jan '16 - 1:00am
The Empathy Optimization

The gang decides to head to Vegas for the week on a party bus. Sheldon learns about the importance of empathy and saying sorry.

26414 have watched this episode

s09e14 / The Meemaw Materialization

5th Feb '16 - 1:00am
The Meemaw Materialization

Sheldon is thrilled when his Meemaw comes to visit, but his excitement quickly fades when she butts heads with Amy. Also, Raj meets a new girl at the comic book store who makes him question his relationship with Emily.

26294 have watched this episode

s09e15 / The Valentino Submergence

12th Feb '16 - 1:00am
The Valentino Submergence

Sheldon and Amy host a live Valentine's Day episode of Fun with Flags, Leonard and Penny grapple with getting older, Howard and Bernadette find a surprise in their hot tub and Raj is torn between Emily and the cute girl he met at the Comic Bookstore.

26111 have watched this episode

s09e16 / The Positive Negative Reaction

19th Feb '16 - 1:00am
The Positive Negative Reaction

When the gang finds out about Bernadette's pregnancy, they celebrate by singing karaoke. Also, Bernadette is concerned when Wolowitz freaks out over her pregnancy announcement, and Wolowitz is convinced he must make more money to provide for a baby.

25901 have watched this episode

s09e17 / The Celebration Experimentation

26th Feb '16 - 1:00am
The Celebration Experimentation

After more than nine years together, the gang finally celebrates Sheldon's birthday, surprising him with a special guest (Adam West). This episode marks the series 200th episode!.

25551 have watched this episode

s09e18 / The Application Deterioration

11th Mar '16 - 1:00am
The Application Deterioration

Sheldon works up contract to split their portion of their guidance system invention royalties, but Bernadette does not like how it's done. Raj must again decide between Emily and Claire when they both contact him.

25529 have watched this episode

s09e19 / The Solder Excursion Diversion

1st Apr '16 - 12:00am
The Solder Excursion Diversion

Howard and Leonard lie to their spouses about seeing a movie premiere, while Raj spills the beans about their lie. Sheldon and Amy go shopping for Sheldon's new laptop.

25335 have watched this episode

s09e20 / The Big Bear Precipitation

8th Apr '16 - 12:00am
The Big Bear Precipitation

Sheldon, Amy, Leonard and Penny head to Big Bear and share a cabin. Meanwhile Raj interjects himself into Bernadette and Howard's baby discussion.

25316 have watched this episode

s09e21 / The Viewing Party Combustion

22nd Apr '16 - 12:00am
The Viewing Party Combustion

Everyone must choose sides when a small argument between Leonard and Sheldon erupts into a heated fight during a group get-together.

24936 have watched this episode

s09e22 / The Fermentation Bifurcation

29th Apr '16 - 12:00am
The Fermentation Bifurcation

The gang goes to a wine bar and runs into Penny's old boyfriend, Zack. Also, Bernadette gets stuck spending the evening with Sheldon when she can't go wine tasting with the group, and things don't go as planned when Raj introduces his new girlfriend, Claire.

24441 have watched this episode

s09e23 / The Line Substitution Solution

6th May '16 - 12:00am
The Line Substitution Solution

Sheldon hires Stuart to spend the day with Amy when he'd rather go to a movie screening. Also, Leonard's mother, Beverly, comes to town and Penny struggles to make a connection with her.

25041 have watched this episode

s09e24 / The Convergence Convergence

13th May '16 - 12:00am
The Convergence Convergence

Leonard and Penny get remarried in front of their friends (who show up), Leonard's parents and Mary Cooper. Sheldon's mother and Leonard's father find something in common. Howard gets an unknown email from the Air Force about his invention.

24855 have watched this episode
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