The Big Bang Theory

IMDb TVDB Trailer
  • :
  • : 279
  • : 544k
  • CBS
  • 20
  • Comedy Romance

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1
1x1
Pilot
Episode overview
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.
1x2
The Big Bran Hypothesis
Episode overview
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.
1x3
The Fuzzy Boots Corollary
Episode overview
When Leonard learns Penny is seeing someone, he decided to asks a nerdy female co-worker out on a date.
1x4
The Luminous Fish Effect
Episode overview
When Sheldon gets fired and decides to explore life beyond physics, it's up to Leonard to take drastic action to snap his friend out of his funk.
1x5
The Hamburger Postulate
Episode overview
Fearing he's wasting his time on Penny, Leonard ends up making a connection with colleague Leslie Winkle.
1x6
The Middle Earth Paradigm
Episode overview
Penny hosts a Halloween party, that ends up putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.
1x7
The Dumpling Paradox
Episode overview
When Wolowitz seduces one of Penny's friend who then takes over her apartment, Penny sleeps on Leonard and Sheldon's couch. Meanwhile, Penny is recruited to fill in for Howard on the guys' Halo team.
1x8
The Grasshopper Experiment
Episode overview
Raj's parents set him up on a blind date, but just when he discovers he can talk to his date, she shows interest in Sheldon.
1x9
The Cooper-Hofstadter Polarization
Episode overview
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
Episode overview
Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's lie is a bit too complicated for his own good.
1x11
The Pancake Batter Anomaly
Episode overview
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
Episode overview
When Sheldon meets a 15-year-old physicist prodigy, he's rattled and threatened and Leonard tries to help him look for ways to debunk his research.
1x13
The Bat Jar Conjecture
Episode overview
Sheldon finds himself booted from the gang's Physics Bowl team and replaced by Leslie Winkle, so he forms his own team, hoping to prove he's superior.
1x14
The Nerdvana Annihilation
Episode overview
When the guys buy a time machine prop from a classic 1960 movie, Penny lashes out at Leonard and he decides it's time to give up his habit, much to his friends' protestation.
1x15
The Pork Chop Indeterminacy
Episode overview
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
Episode overview
Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track. Meanwhile, Howard makes a terrible sacrifice for the sake of the surprise.
1x17
The Tangerine Factor
Episode overview
Penny's break-up spurs Leonard to summon up the courage to ask her out, and each head to Sheldon for advice on their upcoming date.

Characters