The Big Bang Theory Season 5 Watch The Big Bang Theory Episodes online

Watch The Big Bang Theory Season 5 episodes online  

View episodes from : Season 1 (17)   |   Season 2 (23)   |   Season 3 (23)   |   Season 4 (24)   |   Season 5 (24)   |   Season 6 (24)   |   Season 7 (24)   |   Season 8 (24)   |   Season 9 (24)   |   Season 10 (24)   |   Season 11 (11)   |  

The Big Bang Theory season 5 episode 1Episode 1: The Skank Reflex Analysis

Penny must deal with the aftermath of her night with Raj and how it affects her friendship with the guys. Sheldon names himself captain of the paintba...

Air Date: Sep 22, 2011


The Big Bang Theory season 5 episode 2Episode 2: The Infestation Hypothesis

Sheldon insists Penny rid her apartment of a piece of "found" furniture and tries to use Amy as a go between. Leonard and Priya try to make their long...

Air Date: Sep 22, 2011


The Big Bang Theory season 5 episode 3Episode 3: The Pulled Groin Extrapolation

Leonard accompanies Amy as her date to a wedding and ends up having fun in spite of himself. Bernadette tries spending the weekend with Howard and his...

Air Date: Sep 29, 2011


The Big Bang Theory season 5 episode 4Episode 4: The Wiggly Finger Catalyst

Raj is so depressed he is alone so Penny finds him a girl he can talk to, so to speak....

Air Date: Oct 06, 2011


The Big Bang Theory season 5 episode 5Episode 5: The Russian Rocket Reaction

Sheldon's arch nemesis invites the guys to a party at his house and Leonard decides to go, angering Sheldon. Howard gets the opportunity of a lifetime...

Air Date: Oct 13, 2011


The Big Bang Theory season 5 episode 6Episode 6: The Rhinitis Revelation

Sheldon's mom comes to town for a visit and Sheldon is angry that she doesn't want to cook and spend all her time with him. Instead, she chooses to sp...

Air Date: Oct 20, 2011


The Big Bang Theory season 5 episode 7Episode 7: The Good Guy Fluctuation

Leonard is tempted to stray on Priya when a cute girl comes on to him at the comic book store. The guys pull a Halloween prank on Sheldon and he vows ...

Air Date: Oct 27, 2011


The Big Bang Theory season 5 episode 8Episode 8: The Isolation Permutation

Sheldon must suffer the responsibility to comfort Amy when Penny and Bernadette exclude her from their pre-wedding shopping....

Air Date: Nov 03, 2011


The Big Bang Theory season 5 episode 9Episode 9: The Ornithophobia Diffusion

Leonard and Penny decide to spend a night out just being friends. Sheldon freaks out when a bird haunts the apartment....

Air Date: Nov 10, 2011


The Big Bang Theory season 5 episode 10Episode 10: The Flaming Spittoon Acquisition

Sheldon must step up his game with Amy when she decides to go out with Stuart from the comic book store....

Air Date: Nov 17, 2011


The Big Bang Theory season 5 episode 11Episode 11: The Speckerman Recurrence

To Leonard's surprise, a bully from his high school days and his own personal tormentor gets in touch with him and Leonard must decide on a course of ...

Air Date: Dec 08, 2011


The Big Bang Theory season 5 episode 12Episode 12: The Shiny Trinket Maneuver

Amy is upset with Sheldon and his dismissal of her career accomplishments. Howard is dismayed by Bernadette's apparent disinterest in kids....

Air Date: Jan 12, 2012


The Big Bang Theory season 5 episode 13Episode 13: The Recombination Hypothesis

Out of the blue, Leonard invites Penny out on a date and they struggle with what it means....

Air Date: Jan 19, 2012


The Big Bang Theory season 5 episode 14Episode 14: The Beta Test Initiation

Leonard proposes that he and Penny treat their dating like software development and report "bugs" to each other. Raj gets a new phone, and falls in lo...

Air Date: Jan 26, 2012


The Big Bang Theory season 5 episode 15Episode 15: The Friendship Contraction

Leonard finally tires of Sheldon's thankless demands on him and breaks the friendship agreement. Howard and Raj brainstorm a way to make the other NAS...

Air Date: Feb 02, 2012


The Big Bang Theory season 5 episode 16Episode 16: The Vacation Solution

Sheldon's is required to take some vacation time away from work, and Amy pays the price. A pre-nuptial agreement rears its ugly head between Howard an...

Air Date: Feb 09, 2012


The Big Bang Theory season 5 episode 17Episode 17: The Rothman Disintegration

Sheldon and his nemesis Kripke both want an office that becomes available with the retirement of a senior physicist. Amy gives Penny a heartfelt gift ...

Air Date: Feb 16, 2012


The Big Bang Theory season 5 episode 18Episode 18: The Werewolf Transformation

When Sheldon's barber becomes unavailable due to illness, it starts the descent of his orderly life into chaos. Astronaut training proves more difficu...

Air Date: Feb 23, 2012


The Big Bang Theory season 5 episode 19Episode 19: The Weekend Vortex

The guys decide to spend the weekend playing video games like they used to. The women in their life have other ideas however, especially Amy who is co...

Air Date: Mar 08, 2012


The Big Bang Theory season 5 episode 20Episode 20: The Transporter Malfunction

Raj finally gives up and asks his parents for help to find a wife. Sheldon's conscience causes him to hear his toy Spock doll speak to him....

Air Date: Mar 29, 2012


The Big Bang Theory season 5 episode 21Episode 21: The Hawking Excitation

Howard takes advantage of Sheldon's obsession to meet visiting professor Stephen Hawking by putting him through the ringer....

Air Date: Apr 05, 2012


The Big Bang Theory season 5 episode 22Episode 22: The Stag Convergence

Howard's bachelor party results in Bernadette learning things about Howard's past that makes her reconsider marrying him....

Air Date: Apr 26, 2012


The Big Bang Theory season 5 episode 23Episode 23: The Launch Acceleration

Howard's mission into space gets rescheduled sooner, creating a conflict with the wedding. Leonard and Penny resume their physical relationship until ...

Air Date: May 03, 2012


The Big Bang Theory season 5 episode 24Episode 24: The Countdown Reflection

Bernadette decides she wants to be married to Howard before his mission to space. The gang scrambles to get it done....

Air Date: May 10, 2012