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PRIMETIME EMMYS® 3X nominee in 2019

The Big Bang Theory

Physicists and best friends Leonard and Sheldon learn about the social aspects of life through their relationships with the free-spirited beauty who moves in next door.
IMDb 8.1200723 episodes
X-Ray16+
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Episodes

  1. S2 E1 - The Bad Fish Paradigm
    September 21, 2008
    22min
    13+
    Penny opens up to a reluctant Sheldon after a less-than-stellar first date with Leonard, placing him in the uncomfortable position of having to keep a secret.
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  2. S2 E2 - The Codpiece Topology
    September 28, 2008
    21min
    13+
    Seeing Penny with another guy sends Leonard back to Leslie Winkle, much to Sheldon's dismay.
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  3. S2 E3 - The Barbarian Sublimination
    October 5, 2008
    21min
    13+
    Penny becomes addicted to an online game based on the world of Conan the Barbarian and persistently pesters Sheldon for advice.
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  4. S2 E4 - The Griffin Equivalency
    October 12, 2008
    21min
    13+
    Full of confidence following being named one of People's 30 to Watch Under 30, Raj hits on Penny and becomes impossibly arrogant.
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  5. S2 E5 - The Euclid Alternative
    October 19, 2008
    20min
    13+
    An intervention is used to try to force Sheldon to overcome his fear of driving.
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  6. S2 E6 - The Cooper-Nowitzki Theorem
    November 2, 2008
    21min
    13+
    Sheldon and his friends are mystified when a younger undergraduate student is attracted to him.
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  7. S2 E7 - The Panty Pinata Polarization
    November 9, 2008
    21min
    13+
    When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate. Howard and Raj search for the America's Next Top Model house.
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  8. S2 E8 - The Lizard-Spock Expansion
    November 16, 2008
    20min
    13+
    Sheldon wants to use an alternate version of rock-paper-scissors to help resolve conflicts. A girl Wolowitz has a major crush on falls for Leonard.
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  9. S2 E9 - The White Asparagus Triangulation
    November 23, 2008
    21min
    7+
    Sheldon is over-exuberant that Leonard finally has a girlfriend matching his high standards.
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  10. S2 E10 - The Vartabedian Conundrum
    December 7, 2008
    21min
    7+
    Leonard seeks Penny's counsel when his relationship with Stephanie takes off faster than he'd like. Sheldon's hypochondriac tendencies get the better of him.
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  11. S2 E11 - The Bath Item Gift Hypothesis
    December 14, 2008
    21min
    13+
    Sheldon irks the gangs with his obsession with proper Christmas gift protocol. Leonard's crushed when Penny dates a colleague of his.
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  12. S2 E12 - The Killer Robot Instability
    January 11, 2009
    21min
    13+
    Penny's criticism of Wolowitz's romantic life pushes him into depression and AWOL for a fighting robot battle the rest of the guys are depending on him for.
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  13. S2 E13 - The Friendship Algorithm
    January 18, 2009
    21min
    13+
    Looking to get friendly with Barry Kripke to gain access to a piece of high-tech lab equipment, Sheldon develops a flowchart process to make friends.
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  14. S2 E14 - The Financial Permeability
    February 1, 2009
    22min
    7+
    When Sheldon loans money to Penny so she can pay her rent, it leads to Leonard coming face-to-face with her ex, Kurt.
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  15. S2 E15 - The Maternal Capacitance
    February 8, 2009
    21min
    13+
    A visit from Leonard's mother ends up bringing him and Penny closer.
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  16. S2 E16 - The Cushion Saturation
    March 1, 2009
    21min
    16+
    Paintball leads to a squabble between Sheldon and Penny as well as romance between Howard and Leslie.
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  17. S2 E17 - The Terminator Decoupling
    March 8, 2009
    21min
    13+
    The gang is thrilled when they see Terminator: The Sarah Connor Chronicles' Summer Glau is also aboard their train to San Francisco for a scientific symposium. Sheldon frets over having forgotten a paper he wants to present to George Smoot.
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  18. S2 E18 - The Work Song Nanocluster
    March 15, 2009
    21min
    16+
    Penny's business selling hair accessories out of her apartment gets out of hand when an over-caffeinated Sheldon takes charge.
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  19. S2 E19 - The Dead Hooker Juxtaposition
    March 29, 2009
    20min
    16+
    Penny feels threatened when another sexy woman moves into the apartment building and angered when she senses the guys are being taken advantage of.
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  20. S2 E20 - The Hofstadter Isotope
    April 12, 2009
    20min
    13+
    A fellow comic book enthusiast's hitting on Penny leads to Leonard, Raj and Howard going to a bar's Ladies' Night.
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  21. S2 E21 - The Vegas Renormalization
    April 26, 2009
    22min
    13+
    Leonard and Raj take Wolowitz to Las Vegas to help him get over his break-up with Leslie. Sheldon, home alone and looking forward to it, locks himself out and has only one other place to stay: Penny's.
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  22. S2 E22 - The Classified Materials Turbulence
    May 3, 2009
    19min
    13+
    Leonard is torn between being honest or self-serving when Stuart asks his advice for an upcoming second date with Penny. Wolowitz realizes there's a crucial error in a toilet he designed for the International Space Station.
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  23. S2 E23 - The Monopolar Expedition
    May 10, 2009
    21min
    7+
    The guys receive a prestigious offer to work over the summer at the North Pole, and Penny's resultant behavior leaves Leonard unsure if he should go.
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Details

More info

Content advisory
Violencesubstance usealcohol usefoul languagesexual content
Audio languages
English [Audio Description]EnglishEspañolPortuguês
Subtitles
English [CC]Español [CC]Português [SDH]
Directors
Bill PradyChuck Lorre
Producers
Not Specified
Starring
Johnny GaleckiJim ParsonsKaley Cuoco
Studio
Discovery Global Comedy
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