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Season 5 – The Big Bang Theory

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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 5

Critics Reviews

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Oliver Sava AV Club I used to think the Sheldon/Penny pairing was the best on the show, but the Amy/Penny dynamic has become my favorite relationship on the series. Rated: B+ Sep 30, 2013 Full Review Ricardo De Querol El Pais (Spain) The Big Bang Theory brings us closer to the world of scientists, so despised in Spain, although portrayed as fans of 'Star Trek' and forced celibates. [Full Review in Spanish] Jul 16, 2018 Full Review Ellen Gray Philadelphia Daily News This remains one of the most dependably funny shows on TV. Jan 1, 2014 Full Review David Eckstein Zap2it.com The former Blossom star has integrated well into the crew of lovable nerds after joining the show in 2010. Sep 30, 2013 Full Review Carla Day TV Fanatic For a show that started out with Penny as a sidekick to the guys, she has come a long way. Rated: 4.5/5 Sep 30, 2013 Full Review Angel Cohn Television Without Pity What makes Big Bang Theory so entertaining is its solid ensemble, but there's always someone that burns more brightly than those around them. Sep 30, 2013 Full Review Read all reviews

Audience Reviews

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BRENDEN J Season five of The Big Bang Theory was a really fun season. Rated 5 out of 5 stars 04/09/25 Full Review Person 1 Seasons 1 to 4 were very funny. From season 5 it's like they gave up on writing jokes. Rated 0.5 out of 5 stars 03/23/24 Full Review letaiser it was a good season like season 4 the jokes were getting actually better but the live audience is still some of the annoying things Rated 4 out of 5 stars 06/22/23 Full Review Audience Member no se como asen para que cada temporada sea mejor que la anterior 14/10 Rated 5 out of 5 stars 01/09/23 Full Review Audience Member Really funny it's just amazing Rated 5 out of 5 stars 01/09/23 Full Review Audience Member excellent series, with very good plot Rated 5 out of 5 stars 01/09/23 Full Review Read all reviews
The Big Bang Theory — Season 5

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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

Mayim Bialik

Amy Farrah Fowler

Episodes

Episode 1 Aired Sep 22, 2011 The Skank Reflex Analysis Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team. Details Episode 2 Aired Sep 22, 2011 The Infestation Hypothesis Amy is caught in the middle when Penny and Sheldon get into an argument over a pre-owned chair; Leonard tries to make his long-distance relationship more exciting. Details Episode 3 Aired Sep 29, 2011 The Pulled Groin Extrapolation Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together. Details Episode 4 Aired Oct 6, 2011 The Wiggly Finger Catalyst Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with. Details Episode 5 Aired Oct 13, 2011 The Russian Rocket Reaction Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity. Details Episode 6 Aired Oct 20, 2011 The Rhinitis Revelation Sheldon finds himself competing with the gang for his mother's (Laurie Metcalf) attention when she visits. Details Episode 7 Aired Oct 27, 2011 The Good Guy Fluctuation An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends. Details Episode 8 Aired Nov 3, 2011 The Isolation Permutation Amy is devastated when Penny and Bernadette shop for wedding dresses without her. Details Episode 9 Aired Nov 10, 2011 The Ornithophobia Diffusion Leonard and Penny spend time alone; Sheldon tries to face his fear of birds. Details Episode 10 Aired Nov 17, 2011 The Flaming Spittoon Acquisition Sheldon is jealous when Stuart (Kevin Sussman), a guy from the comic book store, asks Amy out on a date. Details Episode 11 Aired Dec 8, 2011 The Speckerman Recurrence Leonard must face the bully who targeted him in high school; Penny confronts her past actions. Details Episode 12 Aired Jan 12, 2012 The Shiny Trinket Maneuver Amy is upset with Sheldon when he isn't impressed with her recent accomplishment; Howard struggles with Bernadette's aversion to children. Details Episode 13 Aired Jan 19, 2012 The Recombination Hypothesis Everything could change when Leonard spontaneously invites Penny to a romantic dinner. Details Episode 14 Aired Jan 26, 2012 The Beta Test Initiation Penny and Leonard experiment with their new relationship; Raj forms a bond with his phone's virtual assistant. Details Episode 15 Aired Feb 2, 2012 The Friendship Contraction Leonard starts to reconsider his friendship with Sheldon; Wolowitz tries to choose his astronaut nickname. Details Episode 16 Aired Feb 9, 2012 The Vacation Solution Sheldon goes to work with Amy in her lab when the university forces him to take a vacation; Bernadette asks Howard to sign a pre-nup. Details Episode 17 Aired Feb 16, 2012 The Rothman Disintegration Sheldon and his nemesis, Kripke (John Ross Bowie), compete for a corner office; Penny feels uncomfortable after receiving a gift from Amy. Details Episode 18 Aired Feb 23, 2012 The Werewolf Transformation Sheldon's routine is turned upside down when his barber gets sick; Wolowitz questions his decision to go into space. Details Episode 19 Aired Mar 8, 2012 The Weekend Vortex Sheldon plans a video game marathon with the guys instead of attending a birthday party for Amy's aunt. Details Episode 20 Aired Mar 29, 2012 The Transporter Malfunction When Penny buys Leonard and Sheldon "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock; after a blind date, Raj believes he has met his future wife. Details Episode 21 Aired Apr 5, 2012 The Hawking Excitation When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist. Details Episode 22 Aired Apr 26, 2012 The Stag Convergence Knowledge of Howard's sexual history makes Bernadette reconsider their future together. Details Episode 23 Aired May 3, 2012 The Launch Acceleration Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard says something in the bedroom that surprises Penny. Details Episode 24 Aired May 10, 2012 The Countdown Reflection The gang tries to help Wolowitz and Bernadette get married before the space launch. Details

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The Big Bang Theory — Season 5

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Season Info

Director
Howard Murray, Mark Cendrowski, Anthony Rich, Peter Chakos
Executive Producer
Chuck Lorre, Bill Prady
Screenwriter
Eric Kaplan, Maria Ferrari, Todd Craig, Anthony Del Broccolo, Tara Hernandez, Gary Torvinen, Chuck Lorre, Bill Prady, Jim Reynolds, Steven Molaro, Steve Holland, David Goetsch
Network
CBS
Rating
TV-PG (D|L)
Genre
Comedy
Original Language
English
Release Date
Sep 22, 2011