Watch The Big Bang Theory Season 10 online

The Big Bang Theory

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Episodes

  1. The Conjugal Conjecture

    1. The Conjugal Conjecture

    After Sheldon's mother and Leonard's father share an evening together, everyone deals with an awkward morning the following day. Also, Penny's family arrives for the ceremony, including her anxiety-ridden mother, Susan, and her drug dealing brother, Randall.

  2. The Military Miniaturization

    2. The Military Miniaturization

    Colonel Williams, an Air Force representative from the Department of Material Command sits down to talk with Wolowitz.

  3. The Dependence Transcendence

    3. The Dependence Transcendence

    Tensions rise when the boys struggle to complete their government project on time and Sheldon tries an energy drink to stay awake. Also, Penny and Amy go to a "party" at Bert the geologist's house, and Kooothrappali learns Bernadette's true feelings about her pregnancy when they clean out the future baby room.

  4. The Cohabitation Experimentation

    4. The Cohabitation Experimentation

    When Amy's apartment floods, she proposes a "cohabitation experiment" with Sheldon. Also, Howard and Bernadette are upset when Koothrappali learns the gender of the baby before they do.

  5. The Hot Tub Contamination

    5. The Hot Tub Contamination

    Leonard and Penny must separate a quarreling Sheldon and Amy when their cohabitation does not go as planned, and Sheldon threatens to break off their relationship when Amy refuses to adhere to the bathroom schedule. Also, Howard and Bernadette find unexpected guests at their house when they decide to stay home from a planned vacation.

  6. The Fetal Kick Catalyst

    6. The Fetal Kick Catalyst

    Penny is surprised to learn she has fans of her performance in "Serial Ape-ist" when she attends Van Nuys Comic Con with Leonard. Also, Amy hosts a Sheldon-style brunch at Penny's apartment, and Wolowitz makes an impulsive purchase when he starts stressing out about the baby on the way.

  7. The Veracity Elasticity

    7. The Veracity Elasticity

    In order to continue living with Sheldon, Amy lies to him about repairs being made to her apartment and they host an "on location" episode of "Fun With Flags" in Penny's apartment. Also, Leonard lets Penny decorate Sheldon's old room after he learns that she has been secretly moving Leonard's collectibles into storage.

  8. The Brain Bowl Incubation

    8. The Brain Bowl Incubation

    After a successful experiment combining their genes, Sheldon will stop at nothing to convince Amy they should procreate. Also, Koothrappali is embarrassed to tell the gang what the new woman he's dating does for a living.

  9. The Geology Elevation

    9. The Geology Elevation

    When Bert, a Caltech geologist, wins the MacArthur Genius fellowship, Sheldon is overcome with jealousy. Also, Wolowitz finds an old remote control Stephen Hawking action figure he invented.

  10. The Property Division Collision

    10. The Property Division Collision

    Sheldon and Leonard must divide up their possessions and remove Penny's things from 4B.

  11. The Birthday Synchronicity

    11. The Birthday Synchronicity

    Sheldon and Amy attempt to have an intimate moment together to celebrate Amy's birthday; Bernadette and Wolowitz welcome their newborn baby to the world.

  12. The Holiday Summation

    12. The Holiday Summation

    Sheldon and Amy visit Leonard and Penny for the first time since the holidays and share details about their terrible trip to Texas.

  13. The Romance Recalibration

    13. The Romance Recalibration

    Leonard and Penny ask for Sheldon's and Amy's help on putting the romance back in their marriage. Howard and Raj go to extreme lengths to stop the floor in Halley's bedroom from making noise.

  14. The Emotion Detection Automation

    14. The Emotion Detection Automation

    Sheldon beta tests an MIT invention after hearing it can help him read people's emotions. Also, Leonard can't hide his feelings when Penny announces her brother is coming to town and Raj invites his ex-girlfriends over to give him dating advice.

  15. The Locomotion Reverberation

    15. The Locomotion Reverberation

    Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley.

  16. The Allowance Evaporation

    16. The Allowance Evaporation

    Sheldon and Amy have their first fight since moving in together, and Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.

  17. The Comic-Con Conundrum

    17. The Comic-Con Conundrum

    With Koothrappali cut off from his father's fortune, he appoints Sheldon to help him get out of debt. Also, Penny considers joining Leonard at Comic-Con.

  18. The Escape Hatch Identification

    18. The Escape Hatch Identification

    When Raj moves out of his apartment, Leonard and Penny offer him Sheldon's old room.

  19. The Collaboration Fluctuation

    19. The Collaboration Fluctuation

    Leonard, Penny and Raj adjust to their new living arrangement, and Sheldon takes an interest in Amy's work.

  20. The Recollection Dissipation

    20. The Recollection Dissipation

    Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day. Also, Bernadette is nearing the end of her maternity leave and must return to work.

  21. The Separation Agitation

    21. The Separation Agitation

    Howard and Bernadette have a hard time leaving Halley in day care when Bernadette returns to work. Also, Bert introduces the gang to his new girlfriend, Rebecca.

  22. The Cognition Regeneration

    22. The Cognition Regeneration

    Leonard isn't thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack.

  23. The Gyroscopic Collapse

    23. The Gyroscopic Collapse

    After Leonard, Sheldon and Wolowitz celebrate the completion of the top secret air force project, they are met with an unpleasant surprise. Also, Amy is offered a summer position as a visiting researcher.

  24. The Long Distance Dissonance

    24. The Long Distance Dissonance

    The gang is concerned when Sheldon's former admirer, Dr. Ramona Nowitzki, resurfaces while Amy is away at Princeton.