Where to stream The Big Bang Theory

Season 5

The Big Bang Theory

Comedy
Romance
TV-PG
8.2 / 10

Season released 22nd Sep, 2011.

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Apple TV

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Free

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Season 5 Episodes

S05 Episode 1

The Skank Reflex Analysis

Penny worries that she's screwed things up with her friends after her night with Raj. Meanwhile, Sheldon takes command of the paintball team.

21 mins · Thu, 22 Sep 2011

S05 Episode 2

The Infestation Hypothesis

A battle of wills between Sheldon and Penny leaves Amy caught in the middle. Leonard tries to spice up his long-distance relationship with Priya, who has moved back to India.

19 mins · Thu, 22 Sep 2011

S05 Episode 3

The Pulled Groin Extrapolation

Leonard goes as Amy's date to a colleague's wedding. Meanwhile, Howard tries to convince Bernadette to live with his mum after they get married and suggests a trial run over the weekend.

20 mins · Thu, 29 Sep 2011

S05 Episode 4

The Wiggly Finger Catalyst

Raj is upset that he's the only one of the four guys not in a relationship, so Penny sets out to find the perfect date. She introduces him to Emily, a girl he can actually talk to.

20 mins · Thu, 6 Oct 2011

S05 Episode 5

The Russian Rocket Reaction

Sheldon and Leonard attend a party hosted by Wil Wheaton where Brent Spiner, who played Commander Data, is a guest.

21 mins · Thu, 13 Oct 2011

S05 Episode 6

The Rhinitis Revelation

Sheldon's mum Mary comes to visit and soon becomes a firm favourite with all of the gang. Sheldon is annoyed with his friends for liking his mum but refuses to believe that he's jealous of the time they're spending with her.

21 mins · Thu, 20 Oct 2011

S05 Episode 7

The Good Guy Fluctuation

Leonard questions his feelings for Priya when he kisses a girl he meets in the comic-book store. The rest of the gang pull pranks on Sheldon in celebration of Halloween.

19 mins · Thu, 27 Oct 2011

S05 Episode 8

The Isolation Permutation

Amy is heartbroken when she finds out that Penny and Bernadette went shopping for bridesmaids dresses without her.

21 mins · Thu, 3 Nov 2011

S05 Episode 9

The Ornithophobia Diffusion

Leonard and Penny attempt to hang out without anybody else around, while Sheldon faces his fear of birds.

21 mins · Thu, 10 Nov 2011

S05 Episode 10

The Flaming Spittoon Acquisition

Sheldon is jealous when Stuart from the comic book shop invites Amy out on a date, so he asks her to be his girlfriend.

20 mins · Thu, 17 Nov 2011

S05 Episode 11

The Speckerman Recurrence

Leonard works up the courage to confront his high-school bully, while Penny realises that her time in high school was marred by the bullying she inflicted on others.

19 mins · Thu, 8 Dec 2011

S05 Episode 12

The Shiny Trinket Maneuver

When Sheldon proves dismissive of Amy's career accomplishments, Penny, Raj and Leonard try to make him realise that sometimes it's beneficial to a relationship to pretend to care about things, even if you aren't really that interested.

20 mins · Thu, 12 Jan 2012

S05 Episode 13

The Recombination Hypothesis

Leonard decides to ask Penny out on a date, and they both agree to give their relationship another chance.

21 mins · Thu, 19 Jan 2012

S05 Episode 14

The Beta Test Initiation

Leonard and Penny decide to put their relationship through a 'beta test', allowing them to report the problems they have with each other as 'bugs'.

20 mins · Thu, 26 Jan 2012

S05 Episode 15

The Friendship Contraction

After Sheldon keeps Leonard awake all night, Leonard decides that he needs a break from Sheldon's thankless demands and the roommate agreement is formally broken, ending the friendship between them.

20 mins · Thu, 2 Feb 2012

S05 Episode 16

The Vacation Solution

Sheldon is forced to use up his two weeks of holiday time from work, so he goes to help Amy in her biology lab during his fortnight off.

21 mins · Thu, 9 Feb 2012

S05 Episode 17

The Rothman Disintegration

When Sheldon and Kripke argue over who should get Professor Rothman's vacant corner office, Leonard, Raj and Howard devise a contest to settle the issue with the office as the winning prize.

21 mins · Thu, 16 Feb 2012

S05 Episode 18

The Werewolf Transformation

Sheldon's world is turned upside down when he learns that the barber who has cut his hair for years has passed away. As his orderly routines descend into chaos, he is forced to act like a hippie in order to match his shaggy new hairstyle.

21 mins · Thu, 23 Feb 2012

S05 Episode 19

The Weekend Vortex

Amy gets upset with Sheldon when he breaks his promise to accompany her to her aunt's birthday party, and instead opts to join the guys for a Star Wars video game marathon lasting the entire weekend.

20 mins · Thu, 8 Mar 2012

S05 Episode 20

The Transporter Malfunction

Desperate to find a 'plus one' to take to a wedding, Raj finally gives up and asks his parents to set him up with a date. Meanwhile, Penny buys Leonard and Sheldon some Star Trek memorabilia.

21 mins · Thu, 29 Mar 2012

S05 Episode 21

The Hawking Excitation

When Stephen Hawking comes to lecture at the university for a week, Wolowitz is given the task of maintaining his wheelchair, making Sheldon green with envy.

19 mins · Thu, 5 Apr 2012

S05 Episode 22

The Stag Convergence

Leonard, Sheldon and Koothrappali throw a classy bachelor party for Wolowitz, during which some stories about the future bridegroom's colourful sexual history are accidentally revealed.

21 mins · Thu, 26 Apr 2012

S05 Episode 23

The Launch Acceleration

When NASA tells a nervous Wolowitz that his space mission has been rescheduled, he tries to use the wedding as an excuse not to go, but he's forced to agree when he realises that Bernadette's father only likes him because he's an astronaut.

21 mins · Thu, 3 May 2012

S05 Episode 24

The Countdown Reflection

Bernadette decides that she wants to be married to Wolowitz before his NASA space mission takes place. They scramble to organise a wedding ceremony at City Hall in the short time available, but their plans go awry.

21 mins · Thu, 10 May 2012

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