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Season 1 – The Big Bang Theory

Play trailer Poster for Season 1 – The Big Bang Theory 2007 Comedy Play Trailer Watchlist
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59% Tomatometer 29 Reviews 84% Popcornmeter 1,000+ Ratings
Mensa-fied best friends and roommates Leonard and Sheldon, physicists who work at the California Institute of Technology, may be able to tell everybody more than they want to know about quantum physics, but getting through most basic social situations, especially ones involving women, totally baffles them. How lucky, then, that babe-alicious waitress/aspiring actress Penny moves in next door. Frequently seen hanging out with Leonard and Sheldon are friends and fellow Caltech scientists Wolowitz and Koothrappali. Will worlds collide? Does Einstein theorize in the woods?
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The Big Bang Theory — Season 1

The Big Bang Theory — Season 1

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Critics Consensus

The Big Bang Theory brings a new class of character to mainstream television, but much of the comedy feels formulaic and stiff.

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Critics Reviews

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Jonathan Storm Philadelphia Inquirer It may not be a creative breakthrough, but it's lots funnier than the universal equation would predict. Apr 3, 2020 Full Review Mike McDaniel Houston Chronicle There's a reason this concept is overworked: It succeeds more than it fails. Rated: B- Apr 3, 2020 Full Review Scott Tobias AV Club It's hard to believe that anyone's even making a three-camera sitcom this mothballed. Rated: D+ Sep 13, 2013 Full Review Scott D. Pierce Deseret News (Salt Lake City) "Big Bang" is funny. Really funny. And that's something most of the trendy half-hour "comedies" aren't these days. Apr 3, 2020 Full Review Alan Pergament Buffalo News This series manages to be smart and lame at the same time, just like the male leads. Apr 3, 2020 Full Review Tom Jicha South Florida Sun-Sentinel The Big Bang Theory isn't a threat to break into the ranks of classic comedies but it's thoroughly enjoyable, thanks to brilliant star turns by Jim Parsons and Johnny Galecki. Apr 3, 2020 Full Review Read all reviews

Audience Reviews

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Liam P The Big Bang Theory is sitcom-ified nerd culture that lacks actual intellect, being broad, shallow, and full of laugh tracks. Rated 0.5 out of 5 stars 08/31/25 Full Review Jill P Ironically enough I feel my IQ dropping while watching this show. Rated 0.5 out of 5 stars 08/16/25 Full Review D T. One of the best shows ever made! Rated 5 out of 5 stars 07/17/25 Full Review Audience Member Hugely Enjoyable! Big fan and surprised by it's success. Rated 5 out of 5 stars 07/06/25 Full Review Ed R Literally brilliant writing and acting on both fronts! Love the intelligent humor! Rated 5 out of 5 stars 07/01/25 Full Review Samuel U. I like it this is least favorite after rewatching it over again but I still like it must watch Rated 3 out of 5 stars 06/30/25 Full Review Read all reviews
The Big Bang Theory — Season 1

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Cast & Crew

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Johnny Galecki

Leonard Hofstadter

Jim Parsons

Sheldon Cooper

Kaley Cuoco

Penny

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Raj Koothrappali

Sara Gilbert

Leslie Winkle

Episodes

Episode 1 Aired Sep 24, 2007 Pilot Leonard is happy to meet new neighbor Penny, but his roommate thinks he is chasing an impossible dream. Details Episode 2 Aired Oct 1, 2007 The Big Bran Hypothesis Leonard volunteers to sign for a package, hoping to make a good impression on Penny. Details Episode 3 Aired Oct 8, 2007 The Fuzzy Boots Corollary Unhappy to learn that Penny is seeing someone, Leonard summons the courage to ask another woman on a date. Details Episode 4 Aired Oct 15, 2007 The Luminous Fish Effect Getting fired gives Sheldon the opportunity to explore life beyond physics, but when he spends his time weaving ponchos and acting like a shut-in, Leonard calls Sheldon's mother for assistance. Details Episode 5 Aired Oct 22, 2007 The Hamburger Postulate Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert). Details Episode 6 Aired Oct 29, 2007 The Middle Earth Paradigm Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party. Details Episode 7 Aired Nov 5, 2007 The Dumpling Paradox Penny sleeps on Leonard and Sheldon's couch when Wolowitz seduces her friend and takes over her apartment; in need of a fourth member, the guys ask Penny to join their "Halo" team. Details Episode 8 Aired Nov 12, 2007 The Grasshopper Experiment On a blind date, Koothrappali discovers that he can talk to the opposite sex after a few drinks, but his date takes an interest in Sheldon. Details Episode 9 Aired Mar 17, 2008 The Cooper-Hofstadter Polarization Penny tries to mediate when Sheldon and Leonard disagree on whether to present their joint findings at a physics conference. Details Episode 10 Aired Mar 24, 2008 The Loobenfeld Decay Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing, but the elaborate lie Sheldon tells leads to an unexpected result. Details Episode 11 Aired Mar 31, 2008 The Pancake Batter Anomaly Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health. Details Episode 12 Aired Apr 14, 2008 The Jerusalem Duality Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research. Details Episode 13 Aired Apr 21, 2008 The Bat Jar Conjecture When Sheldon tries to prove his mental superiority as they train for the Physics Bowl, the guys kick him off the team and bring his nemesis (Sara Gilbert) aboard. Details Episode 14 Aired Apr 28, 2008 The Nerdvana Annihilation Leonard and the guys buy a time machine prop from a classic movie; Penny tells the guys their obsession with comics and toys is pathetic. Details Episode 15 Aired May 5, 2008 The Pork Chop Indeterminacy Leonard devises a plan to eliminate his rivals when he, Wolowitz and Koothrappali all fall for Sheldon's twin sister, but his plan backfires when Sheldon decides to choose who his sister dates. Details Episode 16 Aired May 12, 2008 The Peanut Reaction Penny learns that Leonard does not celebrate birthdays, so she plans a surprise party; Sheldon unexpectedly gets to live out one of his biggest fantasies in an electronics store. Details Episode 17 Aired May 19, 2008 The Tangerine Factor When Leonard finally works up the courage to ask Penny out on a date, they each turn to Sheldon for advice. Details

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The Big Bang Theory — Season 1

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Season Info

Director
James Burrows, Andrew Weyman, Mark Cendrowski, Ted Wass, Joel Murray
Executive Producer
Chuck Lorre, Bill Prady
Screenwriter
Chuck Lorre, Jennifer Glickman, Bill Prady, Stephen Engel, Steven Molaro, Robert Cohen, David Litt, Lee Aronsohn, David Goetsch
Network
CBS
Rating
TV-PG (D|L)
Genre
Comedy
Original Language
English
Release Date
Sep 24, 2007