The Big Bang Theory

Smart is the new sexy.
The Big Bang Theory (2007-2019)
Seasons: 12, episodes: 279
Episode runtime: 22 min
Average rating: 8.3/10 1 465 746
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Premiere
Last episode
Status
Completed
Creators
Scenario
Producer
Actors
Photo Johnny Galecki
Johnny Galecki
Leonard Hofstadter
Photo Jim Parsons
Jim Parsons
Sheldon Cooper
Photo Simon Helberg
Simon Helberg
Howard Wolowitz
Photo Kunal Nayyar
Kunal Nayyar
Rajesh Koothrappali
Photo Melissa Rauch
Melissa Rauch
Bernadette Rostenkowski
Photo Mayim Bialik
Mayim Bialik
Amy Farrah Fowler
Photo Kevin Sussman
Kevin Sussman
Stuart Bloom
All actors and roles (10)

Short description

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

Seasons

SeasonEpisodesRelease dateRating
Season 1
Season 1
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 ac…
17 2007-09-24 7.6
Season 2
Season 2
This 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 2008-09-22 7.6
Season 3
Season 3
Worlds 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 vyi…
23 2009-09-21 7.7
Season 4
Season 4
This 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. …
24 2010-09-23 7.6
Season 5
Season 5
In 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-…
24 2011-09-22 7.5
Season 6
Season 6
Whether 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 f…
24 2012-09-27 7.6
Season 7
Season 7
Leonard 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 a…
24 2013-09-26 7.6
Season 8
Season 8
Sheldon 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 c…
24 2014-09-22 7.3
Season 9
Season 9
Our 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. Leona…
24 2015-09-21 7.4
Season 10
Season 10
Leonard 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 …
24 2016-09-19 7
Season 11
Season 11
After 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 2017-09-25 7
Season 12
Season 12
Best 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 a…
24 2018-09-24 7.1

What's left behind the scenes

  • Sheldon's surname is the same as that of the famous American physicist Leon Neil Cooper, winner of the 1972 Nobel Prize in Physics, and Leonard's surname is the same as that of another American physicist, Robert Hofstadter, winner of the 1961 Nobel Prize in Physics.
  • The main characters of the series are named Sheldon and Leonard in honor of the famous actor and television producer Sheldon Leonard.
  • In one of the episodes, George Smoot, winner of the 2006 Nobel Prize in Physics, appeared as himself.
  • The characters Koothrappali and Wolowitz were not in the original script.
  • The theme song was written by the Canadian alternative rock band Barenaked Ladies. Only one verse is heard in the series, but on October 9, 2007, the full version of the song (1 minute 45 seconds long) was released for sale.
  • In Season 1, Episode 13, the main characters are choosing the fourth member of the Physicists' Cup team, and Raj says: 'You know who's probably really smart? The girl who's in the show Blossom—she has a PhD in neuroscience.' He is referring to actress Mayim Bialik, who plays the role of Amy Farrah Fowler in later seasons.
  • In the original version of the series pilot, the lead female role was played by Amanda Walsh.
  • The Belarusian TV channel STV was forced to shut down the series 'Theoreticians,' which was an unofficial remake of 'The Big Bang Theory.' The appearance of 'Theoreticians' was first noticed only by fans of the series and bloggers, who reacted with fierce indignation. Later, the information reached the creators of 'The Big Bang Theory.' At the end of Season 3, Episode 15, producer Chuck Lorre posted a comment on the matter, which was subsequently duplicated on his website.
  • While filming Season 4, Kaley Cuoco broke her leg while horseback riding. As a result, she was absent from Episodes 5 and 6 of Season 4, and in other episodes, the writers had to find ways to keep her cast out of the shot. Therefore, in Episode 7, she was placed behind a bartender's counter, and in Episode 8, she is always sitting, so the cast is not visible. In Chuck Lorre's traditional notes, which appear as text at the end of each episode, this event is played for laughs, requiring all crew members to clear any dangerous activities in advance—from horseback riding to sex positions.
  • In every episode, a new belt buckle can be seen on Howard Wolowitz's belt, usually related to characters from comics, movies, TV shows, etc. (for example, in one episode, it is a bat, the symbol of Batman).
  • Sheldon often wears t-shirts featuring images or symbols of characters from the DC Comics universe: Season 1, Episode 1 — The Flash; Season 1, Episode 2 — Superman; Season 1, Episode 5 — Batman; Season 1, Episode 8 — Aquaman; Season 1, Episodes 7 and 13 — Green Lantern.
  • At the beginning of Season 3, Episode 11 ("The Maternal Congruence"), Leonard, Penny, and Sheldon watch the movie "How the Grinch Stole Christmas" (2000); in this same episode, Leonard's mother arrives, played by Christine Baranski, who had one of the leading roles in the aforementioned film.
  • In Season 3, Episode 16, the judge's nameplate reads "JUDGE J. KIRBY." Jack Kirby was an American comic book writer, artist, and editor who, in the 1960s, co-created characters such as the Hulk, the Fantastic Four, and the X-Men for Marvel Comics alongside Stan Lee. Stan Lee also appears in Season 3, Episode 16.

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