The Big Bang Theory

Monday 8:00 PM on CBS Premiered Sep 24, 2007 In Season



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  • The Colonization Application

    Full Episode

    S 8 : Ep 17 - 3/5/15

    There's trouble in paradise when Amy discovers Sheldon signed up for a one-way mission to colonize Mars, and the two get into a dogfight at a pet store. Meanwhile, Leonard makes a very "adult" purchase for Penny; and Emily catches Raj snooping in her apartment.

  • The Intimacy Acceleration

    Full Episode

    S 8 : Ep 16 - 2/26/15

    As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Also, Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a "zombie." And, after returning from Mrs. Wolowitz' funeral, Bernadette and Howard run into trouble at the airport.

  • The Comic Book Store Regeneration

    Full Episode

    S 8 : Ep 15 - 2/19/15

    Amid the excitement of Stuart reopening his comic-book store, Howard gets some unsettling news; and after teaching Sheldon how to "let it go," Penny doesn't practice what she preaches when she learns something maddening about Amy. Meanwhile, Raj and Leonard run into a restaurant customer who looks a lot like actor Nathan Fillion.

  • The Troll Manifestation

    Full Episode

    S 8 : Ep 14 - 2/5/15

    An online troll rips Leonard and Sheldon's published physics paper, so the guys rally to defend the two and expose the bully, while a girls night out leads to Penny, Amy and Bernadette dishing about embarrassing past events.

  • The Anxiety Optimization

    Full Episode

    S 8 : Ep 13 - 1/29/15

    Sheldon becomes concerned that his cushy lifestyle is impacting his professional progress and keeping him from achieving scientific renown, so he asks the gang to make life more difficult for him. Meanwhile, Howard invents an unflattering game about Raj.

  • The Space Probe Disintegration

    Full Episode

    S 8 : Ep 12 - 1/8/15

    While Raj eagerly awaits data from a space probe in which he was involved, Howard keeps distracting him. Later, dress shopping with Penny and Amy doesn't exactly prove to be a good fit for Leonard and Sheldon.

  • The Clean Room Infiltration

    Full Episode

    S 8 : Ep 11 - 12/11/14

    On Christmas Eve, Amy plans a traditional Victorian dinner, while Raj, Leonard and Howard scramble to remove a pigeon that flew into the clean room at the university. To prove a point to Amy, a Scrooge-like Sheldon buys her the worst possible gift.

  • The Champagne Reflection

    Full Episode

    S 8 : Ep 10 - 11/20/14

    Leonard, Raj and Howard clean out the office of the deceased Professor Roger Abbot and find a bottle of champagne meant to be opened when he made his first great scientific discovery. Meanwhile, Sheldon prepares his final episode of "Fun with Flags". Bernadette discovers that people are afraid of her.

  • The Septum Deviation

    Full Episode

    S 8 : Ep 9 - 11/13/14

    Leonard needs surgery for a deviated septum, and Sheldon gets his nose out of joint because he feels an operation is too dangerous and that his roommate may not make it out alive. Meanwhile, a distraught Raj learns his parents have divorced on the eve of their 40th anniversary.

  • The Prom Equivalency

    Full Episode

    S 8 : Ep 8 - 11/6/14

    Amy and Bernadette organize a prom to be held atop the guys' apartment complex, but Sheldon is leery of all the prom pomp, circumstance and romancing that goes with it.

  • The Misinterpretation Agitation

    Full Episode

    S 8 : Ep 7 - 10/30/14

    Penny's flirtatious sales pitch is misunderstood by a doctor-client, while Bernadette and Amy debate whether female scientists ought to play the sexuality card.

  • The Expedition Approximation

    Full Episode

    S 8 : Ep 6 - 10/20/14

    Sheldon and Raj undertake an underground research expedition that turns into a test of how long before they get under each other's skin. Meanwhile, Leonard and Penny argue about money, and go to Wolowitz and Bernadette for advice.

  • The Focus Attenuation

    Full Episode

    S 8 : Ep 5 - 10/13/14

    While Amy, Penny and Bernadette have a girls weekend in Vegas, Penny ends up having to study at the last minute, while Amy and Bernadette go out and get drunk. Back at home, with the girls gone, the four guys want to invent something new, but keep focusing on other things.

  • The Hook-Up Reverberation

    Full Episode

    S 8 : Ep 4 - 10/6/14

    Raj's brings his new girlfriend over to meet the gang, but she seems standoffish with Penny, who tries to figure out why. Meanwhile, the guys put their heads together to try to re-open Stuart's comic book store.

  • The First Pitch Insufficiency

    Full Episode

    S 8 : Ep 3 - 9/29/14

    A nervous Wolowitz is thrown for a loop when NASA asks him to toss out the first pitch at a Los Angeles Angels baseball game. Meanwhile, Sheldon brags that he and Amy are a better couple than Leonard and Penny, so they set out to prove he's way off base.

  • The Junior Professor Solution

    Full Episode

    S 8 : Ep 2 - 9/22/14

    Sheldon is ordered to teach a class, and the gang is surprised when Howard signs up to take it; and tensions between Penny and Bernadette afford Amy an opportunity to play one against the other.

  • The Locomotion Interruption

    Full Episode

    S 8 : Ep 1 - 9/22/14

    In the Season 8 premiere, Amy and Leonard take a surprise road trip to Arizona to retrieve Sheldon, while Penny goes on a job interview at Bernadette's company, and Howard has problems wrapping his head around Stuart's relationship with Mrs. Wolowitz.

  • The Status Quo Combustion

    Full Episode

    S 7 : Ep 24 - 5/15/14

    In the Season 7 finale, Sheldon gets caught up in all the life-altering changes going on around him and considers a monumental move.

  • The Gorilla Dissolution

    Full Episode

    S 7 : Ep 23 - 5/8/14

    A trying day at the movie shoot leaves Penny with questions about her life choices, so she decides to act on it; and caring for a bedridden Mrs. Wolowitz proves a challenge for Howard and Bernadette. Meanwhile, Sheldon offers relationship advice to Raj after he sees Emily at the movies with another man.

  • The Proton Transmogrification

    Full Episode

    S 7 : Ep 22 - 5/1/14

    Professor Proton pays Sheldon a visit after Sheldon suffers a tragic loss. Meanwhile, Leonard can't help competing with Penny when they reach a milestone in their relationship, and Amy and Bernadette treat the guys by making them a Star Wars Day gift.moreless
  • The Anything Can Happen Recurrence

    Full Episode

    S 7 : Ep 21 - 4/24/14

    Problems arise between Amy, Penny and Bernadette because Sheldon tried something new and spontaneous. Howard provides assistance to Raj regarding his date Emily.
  • The Relationship Diremption

    Full Episode

    S 7 : Ep 20 - 4/10/14

    Raj and Howard double-date and the latter is flushed with embarrassment after Raj's girlfriend reveals a secret she knows about Howard. Meanwhile, Sheldon is at loose ends when he begins to believe he's wasted his life trying to prove string theory.moreless
  • The Indecision Amalgamation

    Full Episode

    S 7 : Ep 19 - 4/3/14

    Raj wrestles with dating two women at the same time. Penny is offered a part in a trashy movie and Sheldon can't decide between two gaming systems.
  • The Mommy Observation

    Full Episode

    S 7 : Ep 18 - 3/13/14

    While Sheldon and Howard continue their bonding holiday to Houston Texas Sheldon's surprise visit to see his Mommy forces him to start addressing a new reality. Meanwhile the rest of the gang are subjected to a surprise Koothrappali "Murder Mystery" party that leads the gang to speculate where they might all be 20 years from now.moreless
  • The Friendship Turbulence

    Full Episode

    S 7 : Ep 17 - 3/6/14

    Bernadette tries to decrease the amount of friction in Howard and Sheldon's friendship. Penny's car breaks down and she is afraid she will have to return to The Cheesecake Factory.
  • The Table Polarization

    Full Episode

    S 7 : Ep 16 - 2/27/14

    Leonard buys a dining room table which causes Sheldon to reevaluate the changes in his life. Meanwhile, Howard is offered a chance to go back to space and Bernadette struggles with whether or not to encourage him.moreless
  • The Locomotion Manipulation

    Full Episode

    S 7 : Ep 15 - 2/6/14

    Sheldon and Amy go on a trip to wine country with Howard and Bernadette. Penny and Leonard rush Raj's dog to the vet.
  • The Convention Conundrum

    Full Episode

    S 7 : Ep 14 - 1/30/14

    After failing to get tickets to Comic-Con, Sheldon decides to create his own convention and tries to get James Earl Jones to be a guest at it only to wind up spending the entire night with him. Meanwhile, the girls start to wonder if it is fun being an adult after going to a tea room that was filled little girls and their mothers.moreless
  • The Occupation Recalibration

    Full Episode

    S 7 : Ep 13 - 1/9/14

    Sheldon is ordered to take some time off and finds relaxing challenging. Leonard continues to support Penny as she reevaluates her future. Stuart and Bernadette work together to replace a comic book for Howard.moreless
  • The Hesitation Ramification

    Full Episode

    S 7 : Ep 12 - 1/2/14

    Penny turns to Leonard for comfort after her guest appearance on NCIS does not turn out well. She ends up putting Leonard on the spot regarding their relationship. Sheldon works on his sense of humor and Raj practices talking to girls.moreless
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