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The Big Bang Theory
The Big Bang Theory
TV ShowEnded

The Big Bang Theory

“Smart is the new sexy.”

7.9 / 10
2007
12 seasons
279 episodes
Comedy

Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.

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Trailer

Season 1 Episode 1 Clip

Where to Watch(AU)

HBO Max
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Streaming data provided by JustWatch via TMDB.

Cast

Johnny Galecki

Jim Parsons

Kaley Cuoco

Simon Helberg

Kunal Nayyar

Melissa Rauch

Mayim Bialik

Kevin Sussman

Carol Ann Susi

John Ross Bowie

Laura Spencer

Wil Wheaton

Seasons

University physicists Leonard and Sheldon know whether to use an integral or a differential to solve the area under a curve. But they don't have a clue about girls. Or dating. Or clothes. Or parties. Or having fun. Or, basically, life. So when a pretty blonde named Penny moves in the apartment across the hall, the guys decide to get an education outside of the classroom. Boys, you have a lot to learn.

  • Pilot

    1.Pilot

    7.4
    24-09-200723m

    Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins showing them that as much as they know about science, they know little about actual livi...

  • The Big Bran Hypothesis

    2.The Big Bran Hypothesis

    7.5
    01-10-200721m

    Leonard volunteers to sign for a package in an attempt to make a good impression on Penny, but when he enlists Sheldon for help, his attempt at chivalry goes terribly awry.

  • The Fuzzy Boots Corollary

    3.The Fuzzy Boots Corollary

    7.1
    08-10-200722m

    Leonard asks a woman out after he finds out that Penny is seeing someone.

  • The Luminous Fish Effect

    4.The Luminous Fish Effect

    7.5
    15-10-200721m

    Sheldon's getting fired forces him to explore what life has to offer outside physics, leaving Leonard to take drastic action to snap his friend out of his funk.

  • The Hamburger Postulate

    5.The Hamburger Postulate

    7.6
    22-10-200720m

    Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie.

  • The Middle-Earth Paradigm

    6.The Middle-Earth Paradigm

    7.6
    29-10-200721m

    Penny hosts a Halloween party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.

  • The Dumpling Paradox

    7.The Dumpling Paradox

    7.8
    05-11-200721m

    With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team

  • The Grasshopper Experiment

    8.The Grasshopper Experiment

    7.5
    12-11-200720m

    Raj's parents set him up on a blind date, but just when he discovers he can talk to her, she shows interest in Sheldon.

  • The Cooper-Hofstadter Polarization

    9.The Cooper-Hofstadter Polarization

    7.6
    17-03-200819m

    When they're invited to present at a physics conference, Sheldon's reluctance to share the credit leads to a tiff between him and Leonard, and Penny's intervention only exacerbates...

  • The Loobenfeld Decay

    10.The Loobenfeld Decay

    7.5
    24-03-200821m

    Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's is a bit too complicated for his own good.

  • The Pancake Batter Anomaly

    11.The Pancake Batter Anomaly

    7.7
    31-03-200822m

    With his friends knowing how sour he acts when sick—and avoiding him as a result—Sheldon is nursed by Penny, who hasn't a clue what she's in for.

  • The Jerusalem Duality

    12.The Jerusalem Duality

    7.3
    14-04-200820m

    With Sheldon rattled over meeting Dennis, a 15-year-old physicist who's smarter than he, Leonard helps him look for a way to debunk Dennis's research.

  • The Bat Jar Conjecture

    13.The Bat Jar Conjecture

    7.7
    21-04-200822m

    Sheldon finds himself booted from the gang's Physics Bowl team and replaced with Leslie, so he forms his own team, hoping to prove he's superior.

  • The Nerdvana Annihilation

    14.The Nerdvana Annihilation

    7.4
    28-04-200820m

    When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.

  • The Pork Chop Indeterminacy

    15.The Pork Chop Indeterminacy

    7.5
    05-05-200822m

    The rest of the gang fall for Sheldon's twin sister, and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.

  • The Peanut Reaction

    16.The Peanut Reaction

    7.6
    12-05-200820m

    Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.

  • The Tangerine Factor

    17.The Tangerine Factor

    7.9
    19-05-200820m

    Penny's break-up spurs Leonard to summon the courage to ask her out, and each goes to Sheldon for advice on their upcoming date.

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