Series

Watch The Big Bang Theory (2007) Online

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7.912,721 votes2007TV-1422mEndedComedyOfficial site

Synopsis

“Smart is the new sexy.”

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

Episodes

Season 1

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1. PilotNow viewing2007-09-2423m7.4Brilliant 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.
2. The Big Bran Hypothesis2007-10-0121m7.5Leonard 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.
3. The Fuzzy Boots Corollary2007-10-0822m7.2Leonard asks a woman out after he finds out that Penny is seeing someone.
4. The Luminous Fish Effect2007-10-1521m7.6Sheldon'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.
5. The Hamburger Postulate2007-10-2220m7.6Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie.
6. The Middle-Earth Paradigm2007-10-2921m7.6Penny hosts a Halloween party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.
7. The Dumpling Paradox2007-11-0521m7.8With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team
8. The Grasshopper Experiment2007-11-1220m7.5Raj's parents set him up on a blind date, but just when he discovers he can talk to her, she shows interest in Sheldon.
9. The Cooper-Hofstadter Polarization2008-03-1719m7.7When 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.
10. The Loobenfeld Decay2008-03-2421m7.5Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's is a bit too complicated for his own good.
11. The Pancake Batter Anomaly2008-03-3122m7.7With 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.
12. The Jerusalem Duality2008-04-1420m7.3With 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.
13. The Bat Jar Conjecture2008-04-2122m7.7Sheldon 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.
14. The Nerdvana Annihilation2008-04-2820m7.5When 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.
15. The Pork Chop Indeterminacy2008-05-0522m7.5The 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.
16. The Peanut Reaction2008-05-1220m7.6Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.
17. The Tangerine Factor2008-05-1920m7.9Penny's break-up spurs Leonard to summon the courage to ask her out, and each goes to Sheldon for advice on their upcoming date.

Cast

Top Billed Cast

Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Rajesh Koothrappali
Melissa Rauch
Bernadette Rostenkowski
Mayim Bialik
Amy Farrah Fowler

Availability

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FAQ

Frequently Asked Questions

Is The Big Bang Theory available to watch online?

Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.

How many seasons does The Big Bang Theory have?

The Big Bang Theory has 12 seasons and 279 episodes.

When did The Big Bang Theory first air?

The Big Bang Theory first aired in 2007.

Is The Big Bang Theory still running?

The Big Bang Theory's status on TMDB is: Ended.

What genre is The Big Bang Theory?

The Big Bang Theory is classified as Comedy.