The Big Bang Theory

The Big Bang Theory Season 1

TV Show"Smart is the new sexy."

Season 1 Plot

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.

The Big Bang Theory Season 1 aired on September 24th, 2007.

Watch 'The Big Bang Theory' Season 1 Online

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Season 1 Episodes

72

1. Pilot

September 24th, 200723 min

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.

73

2. The Big Bran Hypothesis

October 1st, 200721 min

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.

71

3. The Fuzzy Boots Corollary

October 8th, 200722 min

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

75

4. The Luminous Fish Effect

October 15th, 200721 min

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.

75

5. The Hamburger Postulate

October 22nd, 200720 min

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

74

6. The Middle-Earth Paradigm

October 29th, 200721 min

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

76

7. The Dumpling Paradox

November 5th, 200721 min

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

73

8. The Grasshopper Experiment

November 12th, 200720 min

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.

75

9. The Cooper-Hofstadter Polarization

March 17th, 200819 min

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.

74

10. The Loobenfeld Decay

March 24th, 200821 min

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

76

11. The Pancake Batter Anomaly

March 31st, 200822 min

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.

71

12. The Jerusalem Duality

April 14th, 200820 min

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.

74

13. The Bat Jar Conjecture

April 21st, 200822 min

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.

72

14. The Nerdvana Annihilation

April 28th, 200820 min

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.

73

15. The Pork Chop Indeterminacy

May 5th, 200822 min

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.

74

16. The Peanut Reaction

May 12th, 200820 min

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

77

17. The Tangerine Factor

May 19th, 200820 min

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.

All Seasons

Season 12

Season 12

Sep 24, 2018
Season 11

Season 11

Sep 25, 2017
Season 10

Season 10

Sep 19, 2016
Season 9

Season 9

Sep 21, 2015
Season 8

Season 8

Sep 22, 2014
Season 7

Season 7

Sep 26, 2013
Season 6

Season 6

Sep 27, 2012
Season 5

Season 5

Sep 22, 2011
Season 4

Season 4

Sep 23, 2010
Season 3

Season 3

Sep 21, 2009
Season 2

Season 2

Sep 22, 2008
Season 1

Season 1

Sep 24, 2007