TV Show 'The Big Bang Theory' 12 Seasons

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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.

Germany German (Deutsch)

Leonard und Sheldon sind brillante Physiker, die meist zusammen mit ihren Kumpels Howard und Rajesh in ihrem gemeinsamen Apartment abhängen und - natürlich nach einem festgelegten Plan - ihre Videogames pflegen. Einzig und allein Penny, die neue Nachbarin, schafft es hin und wieder, für Abwechslung zu sorgen. Sie hat zwar keine Ahnung von Physik, doch kennt sie die Welt da draußen - etwas, was den Physikern vollkommen fremd zu sein scheint...

France French (Français)

  • a.k.a. Big Bang Theory Nom abrégé

Leonard et Sheldon pourraient vous dire tout ce que vous voudriez savoir à propos de la physique quantique. Mais ils seraient bien incapables de vous expliquer quoi que ce soit sur la vie « réelle », le quotidien ou les relations humaines… Mais tout va changer avec l'arrivée de la superbe Penny, leur voisine. Ce petit bout de femme, actrice à ses heures et serveuse pour le beurre, va devenir leur professeur de vie !

Italy Italian (Italiano)

Pasadena, California. Quattro giovani scienziati di diversi campi – il fisico sperimentale Leonard Hofstadter, il fisico teorico Sheldon Cooper, l'astrofisico Rajesh Koothrappali e l'ingegnere aerospaziale Howard Wolowitz – lavorano insieme al California Institute of Technology. Questi fanno amicizia con Penny, una bella ragazza di provincia col sogno di diventare attrice, venuta a vivere nell'appartamento di fronte a quello condiviso da Leonard e Sheldon.

Episode Runtimes
Origin Countries
flag of United States of America United States of America
Production Countries
flag of United States of America United States of America
Production Companies
United States of America Chuck Lorre Productions
United States of America Warner Bros. Television
United States of America CBS
Content Ratings / Classifications
United Kingdom 12
United Kingdom 15
United States of America TV-14
United States of America TV-PG
Canada PG
Canada G
Australia M
New Zealand PG
Switzerland 16
Germany 12
Austria 16
France NR
TMDb 79% · 11,058 (more information on website)
IMDb 81% · 878,039 (more information on website)


NumberOverview#EpisodesAir Date
Season 1University 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
Season 2This season, Leonard gets a girl. So does Sheldon. Howard drives the Mars Rover into a ditch. Raj woos a terminator. Gorgeous girl-next-door Penny falls under the spell of Age of Conan. And super-smart, ueberconfident Leslie Winkler reduces mere men to spineless jellyfish.23
Season 3Worlds collide in Season 3! A love affair with Penny has opened a big, wide, wonderful world of romance for Leonard. But Sheldon likes the world just the way it was, thank you. All of which makes for a zany comic triangle with brainy, clueless Sheldon and practical, grounded Penny hilariously vying for the role of hypotenuse.23
Season 4This season the Big Bang gang’s romantic universe expands. On the rebound from Penny, Leonard falls into the arms of Raj’s sister Priya. Sheldon gets a girlfriend, or rather a friend who is a girl: Amy, a dour neurobiologist who declares herself besties with Penny. Howard and Bernadette heat up. And so do Raj and Bernadette (at least in Raj’s Bollywood daydream).24
Season 5In season five, Penny and Leonard's relationship is relaunched in full "beta test" mode, while Sheldon, Howard, and Raj discover the feminine mystique is something that cannot be easily graphed or calculated. As Sheldon makes begrudging amendments to his "Relationship Agreement" with his "friend-who-happens-to-be-a-girl" Amy Farrah Fowler, Raj contemplates an arranged marriage, and Howard is all-systems-go for both is NASA space launch and wedding to the spirited Bernadette.24
Season 6Whether on or above Earth, hilarity is outrageously universal in TV's most popular comedy featuring four forward-thinking but socially backward geniuses. Fun discoveries multiply: Leonard learns jealousy is bad for a relationship (with Penny) but science is good for seduction (of Penny). Howard finds life in the International Space Station life is no escape from terrestrial turmoil between his mom and his new wife Bernadette. Raj meets someone special who may be a good match, if he can keep her from fleeing mid-date. And then there's Sheldon. He learns what not to say after facing harassment charges or competing for tenure at work and how Dungeons & Dragons can be the icebreaker his relationship with Amy needs.24
Season 7Leonard returns from his North Sea expedition to find that his relationship with Penny involves more beta-testing than he’s ever done in a lab. Howard’s attachment issues with the women in his life in particular and Raj’s social breakthrough with women in general provide more laughs. Bernadette and Amy stand staunchly by the men in their life, even when they’re sitting in marathon role-playing games. Sheldon sees his mom in a totally different way, parties with James Earl Jones, establishes a (sort of) bond with his idol Professor Proton and makes a scientific breakthrough that breaks down before you can say Science Friday.24
Season 8Sheldon is rescued from his soul-searching cross-country train trip (older but no wiser) and that means The Big Bang Theory gang's all here to spread another gear's cheer as TV's most attended laugh seminar. Enrol in the comic curriculum to observe Leonard's minor surgery, which signals a major catastrophe for Sheldon, Howard's obsession over his mum's relationship with friend-turned-freeloader Stuart and the unexpected results of Penny's technique as a pharmaceutical sales rep. Discover ways to re-create proms not attended or holiday celebrations not especially beloved and play a new game based on Raj's dating life. Savour online fan Fiction by Amy, watch Bernadette take indelicate command of some delicate family matters and, who knows, you might spot a cool special guest or two.24
Season 9Our two genius roommates, Leonard and Sheldon, and their friends are back once again (smarter, but no wiser). Last season, Sheldon went soul-searching (on a train, of course) and was prepared to make some substantial revisions on his Relationship Agreement with Amy, when everything changed. Leonard, meanwhile, was off to Vegas with Penny to finally tie the knot in the season finale. Howard finds himself alone with Bernadette after the sudden passing of his mother; while Raj is not only talking to women – he’s getting exclusive with Emily. Together, they will all learn that life is far more complicated outside of the lab as love and friendship never produce predictable results!24
Season 10Leonard and Penny renew their vows, this time inviting their friends and family for wedding party; they also learn that marriage is about compromise, and figure out how to support each other. Sheldon and Amy experiment to take their relationship to the next level, and after an emotional struggle they move in together in Penny's old apartment. Howard and Bernadette realise that being a parent is a full-time job, but with the help of their friends they manage to find joy in raising their child. When his friends tell him he's extremely spoiled, Raj decides to stop taking his father's money and learn how to make ends meet.24
Season 11After years of only looking out for himself, Sheldon found Amy Farrah Fowler to be the most patient woman to ever walk the earth, and... they did it! Wedding fever continues in season 11.24
Season 12Best friends and brilliant physicists Leonard Hofstadter and Sheldon Cooper are geniuses in the lab but socially challenge outside of it. Despite this, Leonard married his beautiful, street-smart neighbour, Penny. And Sheldon, after a long courtship, wed successful neurobiologist Amy. And while aerospace engineer Howard and his adorable microbiologist wife, Bernadette, explore the predicament of being married with two kids, astrophysicist Raj considers a traditional arranged marriage. As the supersmart friends solve quotidian conundrums posed by academia. Family crises and video games, their experiments in domestic bliss never fail to produce hilarious results. But all good theories arrive at a conclusion. The twelfth and final season of "television's perpetual laughter continuum comprises" 24 supercharged episodes that take comedy to the next dimension...and beyond.24


Leonard HofstadterJohnny Galecki
Sheldon CooperJim Parsons
PennyKaley Cuoco
Howard WolowitzSimon Helberg
Rajesh KoothrappaliKunal Nayyar
Bernadette RostenkowskiMelissa Rauch
Amy Farrah FowlerMayim Bialik

Created by


ArtArt DirectionFrancoise Cherry-Cohen
Construction CoordinatorRick Puccio
Production DesignJohn Shaffner
Set DecorationAnn Shea
CameraCamera OperatorBrian W. Armstrong
Jamie Hitchcock
John DeChene
Richard Price
Director of PhotographySteven V. Silver
Key GripDavid Pearce
Costume & Make-UpCostume DesignMary T. Quigley
Hair Department HeadFaye Woods
Key Hair StylistSylvia Surdu
Key Makeup ArtistLinda Cowan
Makeup Department HeadVikki McCarter
CrewPost Production SupervisorAlexandra Barbone
Property MasterScott L. London
Scientific ConsultantDavid Saltzberg
DirectingScript SupervisorJulie Fleischer
EditingAssistant EditorTodd Morris
EditorPeter Chakos
LightingGafferJohn Greene
ProductionAssociate ProducerCharlie Back
CastingKen Miller
Nikki Valko
Tara Treacy
Co-Executive ProducerAndy Gordon
Anthony Del Broccolo
Jeremy Howe
Peter Chakos
Tara Hernandez
Co-ProducerJustin D. Hetzel
Mary T. Quigley
Ryan Berdan
Executive ProducerBill Prady
Chuck Lorre
David Goetsch
Eric Kaplan
Maria Ferrari
Steve Holland
Steven Molaro
ProducerKristy Cecil
Robinson Green
Production CoordinatorShannon Timberlake
Unit Production ManagerRobinson Green
SoundProduction Sound MixerBruce Peters
Sound Re-Recording MixerBob La Masney
Charlie McDaniel
Theme Song PerformanceBarenaked Ladies