The Big Bang Theory (TV Series 2007– ) Poster

(2007– )

Episode List

Next Episode (airs 30 Mar. 2017)

The Collaboration Fluctuation

Leonard, Penny and Raj adjust to their new living arrangements; Sheldon expresses an interest in Amy's work.

Current Episode (aired 9 Mar. 2017)

The Escape Hatch Identification

When the gang offers a place for Raj to live, it creates unexpected conflict among everyone and an argument between Amy and Leonard's mother.


11 Jan. 2010
The Psychic Vortex
Raj talks Sheldon into being his wingman at a university mixer. Leonard has trouble dealing with Penny consulting a psychic.
18 Jan. 2010
The Bozeman Reaction
When their apartment is robbed, Leonard and Sheldon turn to Howard and Raj to create a state-of-the-art security system.
1 Feb. 2010
The Einstein Approximation
Sheldon wreaks havoc when he is stumped by a difficult physics question.
8 Feb. 2010
The Large Hadron Collision
When Leonard is offered a trip to Switzerland on Valentine's Day to visit the CERN laboratory, Sheldon uses any and all means to be his guest instead of Penny.
1 Mar. 2010
The Excelsior Acquisition
Sheldon misses an opportunity to get Stan Lee's autograph because he has to make an appearance in traffic court.
8 Mar. 2010
The Precious Fragmentation
The guys' friendship is threatened when they find a ring from the "Lord of the Rings" trilogy.
22 Mar. 2010
The Pants Alternative
Sheldon seeks help from the rest of the gang in overcoming his fear of public speaking when he receives an award.
12 Apr. 2010
The Wheaton Recurrence
Sheldon takes on Wil Wheaton in a game of bowling. Leonard and Penny's relationship comes to a crossroad.
3 May 2010
The Spaghetti Catalyst
Sheldon is forced to go behind Leonard's back to spend time with Penny following their breakup.
10 May 2010
The Plimpton Stimulation
Chaos ensues when a nymphomaniac physicist visiting Sheldon hooks up with Leonard.
17 May 2010
The Staircase Implementation
Leonard tells Penny about how he and Sheldon became roommates and what happened to the elevator.
24 May 2010
The Lunar Excitation
Penny has a night of angry, drunken sex with Leonard, much to his confusion. Meanwhile, Howard and Raj search for Sheldon's perfect match online.
23 Sep. 2010
The Robotic Manipulation
Penny ends up tagging along on Sheldon's first ever date with Amy, while Howard finds an unusual use for a robotic arm.
30 Sep. 2010
The Cruciferous Vegetable Amplification
When Sheldon calculates the technology to download his consciousness into a robot won't be invented soon enough, he desperately tries to find a way to increase his lifespan.
7 Oct. 2010
The Zazzy Substitution
Following his 'breakup' with Amy, the gang become concerned with Sheldon's obsessive search for non-human companionship and call his mother to intervene.
14 Oct. 2010
The Hot Troll Deviation
Howard tries to get Penny's help in winning back Bernadette, but first has to confess the embarrassing reason why they broke up in the first place. Raj and Sheldon clash over a desk.
21 Oct. 2010
The Desperation Emanation
Sheldon is scared that he is in a relationship when Amy asks him to meet her mother, and Leonard asks Howard and Bernadette to set him up because he is the only person in the group without a girlfriend.
28 Oct. 2010
The Irish Pub Formulation
Leonard tries to keep everyone from finding out that he spent the night with Raj's sister, but Sheldon finds out and concocts an elaborate story to help him keep the secret from Raj.
4 Nov. 2010
The Apology Insufficiency
An FBI agent interviews the guys when Howard needs to obtain a security clearance.
11 Nov. 2010
The 21-Second Excitation
The guys camp out all night waiting to see an extended cut of Indiana Jones, while Amy joins in on girls' night with Penny and Bernadette.
18 Nov. 2010
The Boyfriend Complexity
Penny asks Leonard to pose as her boyfriend when her father visits. Howard, Raj and Bernadette have an awkward encounter when they spend the evening together.
9 Dec. 2010
The Alien Parasite Hypothesis
Amy finds she has sexual feelings for Penny's ex-boyfriend Zack, while Raj and Howard try to prove who would be the better superhero.
16 Dec. 2010
The Justice League Recombination
The guys enter a costume contest as members of the Justice League and convince Penny and Zack to join them.

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See also

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

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