The Big Bang Theory (TV Series 2007– ) Poster

(2007– )

Episode List


Season 9

21 Sep. 2015
The Matrimonial Momentum
Penny struggles with Leonard's confession that he kissed another woman as they prepare to get married in Las Vegas. Meanwhile, Sheldon doesn't know what to do after Amy pushes pause on their relationship.
28 Sep. 2015
The Separation Oscillation
Leonard and Penny try to work through their marital issues. Meanwhile, Sheldon films a special episode of "Fun with Flags" after his breakup with Amy, and Bernadette feels guilty about withholding a secret from Penny.
5 Oct. 2015
The Bachelor Party Corrosion
The guys's skills are put to the test when they get a flat tire on the way to Mexico for Leonard's bachelor party. The girls throw Penny a mini-bachelorette party.
12 Oct. 2015
The 2003 Approximation
An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard. Raj and Howard form a band for the comic book store.
19 Oct. 2015
The Perspiration Implementation
Kripke expresses interest in Amy while leading a fencing lesson for the guys. Meanwhile, Stuart seeks help from the girls in getting more women interested in the comic book store.
26 Oct. 2015
The Helium Insufficiency
Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage. Meanwhile, the rest of the gang try to find Amy a new boyfriend on a dating app.
5 Nov. 2015
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 together with Howard is brought up.
12 Nov. 2015
The Mystery Date Observation
Sheldon, Howard and Raj post an ad online to find a new girlfriend for Sheldon. Penny and Bernadette decide to spy when Amy is secretive about who she is dating.
19 Nov. 2015
The Platonic Permutation
On Thanksgiving, Sheldon and Amy try to spend time together as friends and go to an aquarium, Howard reluctantly agrees to volunteer at the soup kitchen with Bernadette, Raj and Emily, and Penny discovers that Leonard knows more about her than she thought.
10 Dec. 2015
The Earworm Reverberation
Sheldon has a revelation when he realizes why a song was stuck in his head. Meanwhile, Amy invites Dave over for dinner despite their previously awkward date, and Howard and Raj become obsessed with a fan of their band.
17 Dec. 2015
The Opening Night Excitation
Leonard, Howard and Raj have to decide who will take their extra Star Wars movie ticket, while Sheldon plans something special for Amy's birthday.
7 Jan. 2016
The Sales Call Sublimation
Penny gets more than she bargained for when Leonard agrees to meet with a psychiatrist on her behalf to make a sale. Meanwhile, Sheldon and Raj collaborate on an astronomical discovery, and Howard and Bernadette's happiness is short-lived after Stuart moves out.
14 Jan. 2016
The Empathy Optimization
After being forced to deal with a sick Sheldon, the rest of the gang try to treat themselves to a Sheldon-free weekend.
4 Feb. 2016
The Meemaw Materialization
Meemaw meets Amy, but it isn't all roses. Meemaw seems to have an axe to grind with her. Sheldon comes to Amy's defense, but not before Meemaw lets a little secret of his slip.
11 Feb. 2016
The Valentino Submergence
Sheldon and Amy host a 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 Claire.
18 Feb. 2016
The Positive Negative Reaction
Bernadette has some news to share, but the reactions are not what is expected.
25 Feb. 2016
The Celebration Experimentation
Amy convinces Sheldon to celebrate his birthday for the first time since his childhood. The group plans a birthday party for him, convincing celebrated Batman actor Adam West. But when Sheldon enters the party he is overcome with anxiety.
10 Mar. 2016
The Application Deterioration
Sheldon works up a 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.
31 Mar. 2016
The Solder Excursion Diversion
Amy is shocked by a revelation from Sheldon when she buys him a new laptop. Raj rats on Leonard and Howard to Penny and Bernadette.
7 Apr. 2016
The Big Bear Precipitation
Secrets are revealed when Amy and Sheldon join Penny and Leonard on a weekend cabin trip. Raj is more excited about Howard's and Bernadette's impending parenthood than they are.
21 Apr. 2016
The Viewing Party Combustion
A minor argument between Sheldon and Leonard escalates quickly and drags the rest of the gang into it during a "Game of Thrones" watching party..
28 Apr. 2016
The Fermentation Bifurcation
Sheldon and Bernadette spend a night together while the rest of the gang goes to a wine tasting party, but things get uncomfortable for Raj when Zack also attends and takes an interest in Claire.
5 May 2016
The Line Substitution Solution
Penny has trouble when Leonard's mother comes to town. Sheldon hires Stuart to hang out with Amy while he goes to a movie screening.
12 May 2016
The Convergence Convergence
Leonard and Penny try to have a wedding ceremony everyone can attend, but it creates serious conflict among Sheldon's mother and Leonard's divorced parents. Howard's invention draws the attention of the Air Force.

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See also

Episode Cast | Rated Episodes (by date / vote)| TV Schedule

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