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The Big Bang Theory

A woman who moves into an apartment across the hall from two brilliant but socially awkward physicists shows them how little they know about life outside of the laboratory.


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The Big Bang Theory Full Episodes

S8 E1: The Locomotion Interruption

Aired: September 22nd, 2014 @ 7:00 PM CST

Leonard and Amy make an unexpected trip to Arizona to fetch Sheldon; Penny interviews for a job at Bernadette's company; Stuart's relationship with Mrs. Wolowitz disturbs Howard.


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S8 E2: The Junior Professor Solution

Aired: September 22nd, 2014 @ 7:00 PM CST

When Sheldon must teach a class, Howard decides to take it; Amy takes advantage of the tension between Penny and Bernadette.


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S8 E3: The First Pitch Insufficiency

Aired: September 29th, 2014 @ 7:00 PM CST

Wolowitz feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game; Penny and Leonard want to prove Sheldon wrong after he says he and Amy are the better couple.


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S8 E4: The Hook-Up Reverberation

Aired: October 6th, 2014 @ 7:00 PM CST

Raj's honesty comes back to haunt him when his new girlfriend is unfriendly to Penny; the guys think about becoming part owners in Stuart's store.


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S8 E5: The Focus Attenuation

Aired: October 13th, 2014 @ 7:00 PM CST

During their weekend in Las Vegas, Bernadette and Amy accuse Penny of being a buzz kill; the guys try to invent the next big thing.


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S8 E6: The Expedition Approximation

Aired: October 20th, 2014 @ 7:00 PM CST

Sheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam tunnel deep underground. Leonard and Penny seek advice from...


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S8 E7: The Misinterpretation Agitation

Aired: October 30th, 2014 @ 7:00 PM CST

The guys try to help Penny out of an awkward work dilemma, when a smitten doctor shows up at her door after her flirtatious sales techniques work a little too well. Meanwhile, Amy and Bernadette...


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S8 E8: The Prom Equivalency

Aired: November 6th, 2014 @ 7:00 PM CST

When the gang recreates a high-school prom night on the roof of the guys'; apartment building, Sheldon feels pressure to participate in all the typical romantic traditions.


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S8 E9: The Septum Deviation

Aired: November 13th, 2014 @ 7:00 PM CST

When Leonard gets minor surgery on his nose, Sheldon is the one in need of sympathy. Meanwhile, Raj's parents' impending divorce causes Howard and Bernadette to work on their own marriage.


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S8 E10: The Champagne Reflection

Aired: November 20th, 2014 @ 7:00 PM CST

While Sheldon says a tearful goodbye to the final instalment of "Fun with Flags", Leonard, Howard and Raj search for something significant in a dead professor's research. And Bernadette is shocked...


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S8 E11: The Clean Room Infiltration

Aired: December 11th, 2014 @ 7:00 PM CST

Leonard and Howard turn to Raj for help in dealing with a work emergency when they nearly come to blows after blaming each other for a potential disaster at the university. Amy throws an authentic...


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S8 E12: The Space Probe Disintegration

Aired: January 8th, 2015 @ 7:00 PM CST

Wolowitz tries to distract Raj, who is anxiously awaiting data from a space probe he helped launch. Meanwhile, Sheldon and Leonard go dress shopping with Penny and Amy.


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S8 E13: The Anxiety Optimization

Aired: January 29th, 2015 @ 7:00 PM CST

The gang tries to help Sheldon when he becomes stuck in a rut at work by increasing his anxiety level. Howard teases Raj with a new game called "Cinnamon or Emily?"


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S8 E14: The Troll Manifestation

Aired: February 5th, 2015 @ 7:00 PM CST

Leonard and Sheldon publish a paper which is widely accepted except for comments from an internet troll. Meanwhile, the girls reminisce about embarassing incidents from their past.


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S8 E15: The Comic Book Store Regeneration

Aired: February 19th, 2015 @ 7:00 PM CST

Wolowitz receives some shocking news as everyone prepares for the reopening of Stuart’s comic book store. Penny teaches Sheldon how to “let it go,” but can’t follow her own advice after she learns...


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S8 E16: The Intimacy Acceleration

Aired: February 26th, 2015 @ 7:00 PM CST

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...


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S8 E17: The Colonization Application

Aired: March 5th, 2015 @ 7:00 PM CST

Trouble arises when Amy learns Sheldon has applied for a one-way mission to colonize Mars. Also, a trip to the pet store ends in a fight for Sheldon and Amy, Leonard surprises Penny with a very...


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S8 E18: The Leftover Thermalization

Aired: March 12th, 2015 @ 7:00 PM CST

Friction ensues when a magazine fails to mention Leonard in an article about the paper he co-wrote with Sheldon. Also, a blackout at Mrs. Wolowitz’s home leads to a final family dinner in her honor.


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S8 E19: The Skywalker Incursion

Aired: April 2nd, 2015 @ 7:00 PM CST

When Leonard and Sheldon are invited to speak at UC Berkeley, they take a detour to try to meet an idol. Also, when Bernadette and Howard battle over the fate of his Doctor Who TARDIS, Raj and Amy...


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S8 E20: The Fortification Implementation

Aired: April 9th, 2015 @ 7:00 PM CST

When Sheldon and Amy build a blanket fort, they come to major crossroads in their relationship. Also, Wolowitz meets the half-brother he never knew he had, and when Penny is invited to appear on...


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S8 E21: The Communication Deterioration

Aired: April 16th, 2015 @ 7:00 PM CST

When Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do. Also, Penny is torn between auditioning for a movie or keeping her...


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S8 E22: The Graduation Transmission

Aired: April 23rd, 2015 @ 7:00 PM CST

Wolowitz questions his engineering abilities when he and Sheldon can’t get a toy drone to fly. Meanwhile, a cancelled flight nearly prevents Leonard from giving the commencement address at his...


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S8 E23: The Maternal Combustion

Aired: April 30th, 2015 @ 7:00 PM CST

Personalities collide when Sheldon and Leonard’s mothers finally meet. Meanwhile, Howard finally decides to “man up” and do his fair share of the housework – but not without a little help from his...


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S8 E24: The Commitment Determination

Aired: May 7th, 2015 @ 7:00 PM CST

Sheldon pushes Leonard and Penny to choose a date for their wedding and deals with dramatic changes in his own relationship with Amy.


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