The Big Bang Theory Season 5 poster
← Back to The Big Bang Theory

The Big Bang Theory: Season 5

📺 Season 5 24 Episodes 2011-09-22 EN

Season Overview

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-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.

Download links are currently being prepared for this season. Check back shortly!

Episodes (24)

Select an episode to download in your preferred format

The Skank Reflex Analysis S05E01 21 min

The Skank Reflex Analysis

Air Date: 2011-09-22

Penny is worried with how damaged her friendship with the guys will be in the aftermath of her sleeping with Raj while Sheldon becomes the leader of the paintball team.

Download Options:
Download links coming soon
The Infestation Hypothesis S05E02 20 min

The Infestation Hypothesis

Air Date: 2011-09-22

A fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya.

Download Options:
Download links coming soon
The Pulled Groin Extrapolation S05E03 20 min

The Pulled Groin Extrapolation

Air Date: 2011-09-29

Leonard and Amy get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz.

Download Options:
Download links coming soon
The Wiggly Finger Catalyst S05E04 20 min

The Wiggly Finger Catalyst

Air Date: 2011-10-06

Penny plays Matchmaker for Raj, which results in him finding a girl he is comfortable talking to.

Download Options:
Download links coming soon
The Russian Rocket Reaction S05E05 21 min

The Russian Rocket Reaction

Air Date: 2011-10-13

Sheldon and Leonard get invited to a party at Wil Wheaton's house, and Howard gets an out-of-this-world opportunity.

Download Options:
Download links coming soon
The Rhinitis Revelation S05E06 21 min

The Rhinitis Revelation

Air Date: 2011-10-20

Sheldon's mother, Mary Cooper, comes to visit, but Sheldon is annoyed that she also spends time with the rest of the gang, instead of catering to his every demand.

Download Options:
Download links coming soon
The Good Guy Fluctuation S05E07 20 min

The Good Guy Fluctuation

Air Date: 2011-10-27

A cute comic book artist puts Leonard and Priya’s relationship to the test, while Sheldon tries to scare the guys for Halloween.

Download Options:
Download links coming soon
The Isolation Permutation S05E08 21 min

The Isolation Permutation

Air Date: 2011-11-03

Amy becomes heartbroken when she discovers that Penny and Bernadette went wedding dress shopping without her.

Download Options:
Download links coming soon
The Ornithophobia Diffusion S05E09 21 min

The Ornithophobia Diffusion

Air Date: 2011-11-10

Leonard and Penny try hanging out as friends on a 'non-date', but end up purposely ruining each others chances with perspective dates. Meanwhile, Sheldon enlists the help of Bernadette and Amy to overcome his fear of birds.

Download Options:
Download links coming soon
The Flaming Spittoon Acquisition S05E10 21 min

The Flaming Spittoon Acquisition

Air Date: 2011-11-17

When Stuart asks Amy out on a date, Sheldon must confront his feelings and consider where his relationship with Amy is going.

Download Options:
Download links coming soon
The Speckerman Recurrence S05E11 20 min

The Speckerman Recurrence

Air Date: 2011-12-08

Leonard must face his fears after being contacted by his high school tormentor.

Download Options:
Download links coming soon
The Shiny Trinket Maneuver S05E12 21 min

The Shiny Trinket Maneuver

Air Date: 2012-01-12

Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children.

Download Options:
Download links coming soon
The Recombination Hypothesis S05E13 21 min

The Recombination Hypothesis

Air Date: 2012-01-19

Leonard, who broke up with Priya, asks Penny out to a spur-of the-moment romantic dinner for two, and the duo contemplates on their relationship.

Download Options:
Download links coming soon
The Beta Test Initiation S05E14 20 min

The Beta Test Initiation

Air Date: 2012-01-26

Leonard and Penny deal with the idea of starting a relationship again and Raj finally finds a "woman" he can talk to without being drunk, in the form of Siri on his new phone. Meanwhile, Sheldon decides to start a YouTube series entitled "Sheldon Cooper presents Fun with Flags" with the help of Amy.

Download Options:
Download links coming soon
The Friendship Contraction S05E15 20 min

The Friendship Contraction

Air Date: 2012-02-02

Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.

Download Options:
Download links coming soon
The Vacation Solution S05E16 21 min

The Vacation Solution

Air Date: 2012-02-09

When Sheldon is forced to take his vacation, he goes to work with Amy in her neurobiology lab.

Download Options:
Download links coming soon
The Rothman Disintegration S05E17 21 min

The Rothman Disintegration

Air Date: 2012-02-16

Sheldon battles Kripke for a coveted office at the university. Penny receives a very unusual gift from Amy.

Download Options:
Download links coming soon
The Werewolf Transformation S05E18 21 min

The Werewolf Transformation

Air Date: 2012-02-23

Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space. Penny beats Leonard in chess, the first time she plays.

Download Options:
Download links coming soon
The Weekend Vortex S05E19 20 min

The Weekend Vortex

Air Date: 2012-03-08

Sheldon must choose between joining Amy at her aunt's birthday party or playing videogames all weekend with the guys.

Download Options:
Download links coming soon
The Transporter Malfunction S05E20 21 min

The Transporter Malfunction

Air Date: 2012-03-29

Penny buys Leonard and Sheldon “Star Trek” collectibles as a thank-you, leading Sheldon to be haunted by Mr. Spock. Meanwhile, Raj decides he has met the “Future Mrs. Koothrappali” after his parents set him up on a date.

Download Options:
Download links coming soon
The Hawking Excitation S05E21 19 min

The Hawking Excitation

Air Date: 2012-04-05

When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.

Download Options:
Download links coming soon
The Stag Convergence S05E22 21 min

The Stag Convergence

Air Date: 2012-04-26

After the guys throw Howard a bachelor party, Bernadette reconsiders marrying him after learning about his sexual history.

Download Options:
Download links coming soon
The Launch Acceleration S05E23 21 min

The Launch Acceleration

Air Date: 2012-05-03

When NASA moves up Howard's mission, he must face his fears and Bernadette's dad, thus putting the wedding plans in jeopardy. Meanwhile, Leonard says something surprising to Penny in the bedroom.

Download Options:
Download links coming soon
The Countdown Reflection S05E24 20 min

The Countdown Reflection

Air Date: 2012-05-10

The fifth season ends with Howard and Bernadette deciding to get married before his NASA mission, causing the gang to scurry into overdrive in an effort to stage the wedding. NASA astronaut Mike Massimino has a cameo as himself.

Download Options:
Download links coming soon

Comments

Loading...

Leave a Comment

Comments are reviewed before appearing publicly.

0 / 2000