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The Big Bang Theory

Season 1 2007 - 2008
TV-14

  • 2007-09-25T01:00:00+01:00 on CBS
  • 22 mins
  • 5 hours, 49 mins
  • United States
  • English
  • Comedy

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.

17 episodes

1x01 Pilot

  • Series Premiere

    2007-09-25T01:00:00+01:00 — 22 mins

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 living.

1x02 The Big Bran Hypothesis

  • 2007-10-02T01:00:00+01:00 — 21 mins

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.

1x03 The Fuzzy Boots Corollary

  • 2007-10-09T01:00:00+01:00 — 22 mins

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

1x04 The Luminous Fish Effect

  • 2007-10-16T01:00:00+01:00 — 20 mins

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.

1x05 The Hamburger Postulate

  • 2007-10-23T01:00:00+01:00 — 20 mins

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

1x06 The Middle Earth Paradigm

  • 2007-10-30T00:00:00+00:00 — 21 mins

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

1x07 The Dumpling Paradox

  • 2007-11-06T01:00:00+00:00 — 21 mins

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

1x08 The Grasshopper Experiment

  • 2007-11-13T01:00:00+00:00 — 20 mins

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.

1x09 The Cooper-Hofstadter Polarization

  • 2008-03-18T00:00:00+00:00 — 19 mins

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 situation.

1x10 The Loobenfeld Decay

  • 2008-03-25T00:00:00+00:00 — 20 mins

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

1x11 The Pancake Batter Anomaly

  • 2008-04-01T01:00:00+01:00 — 22 mins

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.

1x12 The Jerusalem Duality

  • 2008-04-15T01:00:00+01:00 — 20 mins

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.

1x13 The Bat Jar Conjecture

  • 2008-04-22T01:00:00+01:00 — 21 mins

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.

1x14 The Nerdvana Annihilation

  • 2008-04-29T01:00:00+01:00 — 20 mins

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.

1x15 The Pork Chop Indeterminacy

  • 2008-05-06T01:00:00+01:00 — 21 mins

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.

1x16 The Peanut Reaction

  • 2008-05-13T01:00:00+01:00 — 19 mins

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

1x17 The Tangerine Factor

  • 2008-05-20T01:00:00+01:00 — 20 mins

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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