The Beta Test Initiation

January 26, 2012

74.0%

The Big Bang Theory - S5 - E14

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.

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The Big Bang Theory: Season 5 - 24 Episode s

5x1 - The Skank Reflex Analysis
September 22, 2011
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.
5x2 - The Infestation Hypothesis
September 22, 2011
A fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya.
5x3 - The Pulled Groin Extrapolation
September 29, 2011
Leonard and Amy get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz.
5x4 - The Wiggly Finger Catalyst
October 6, 2011
Penny plays Matchmaker for Raj, which results in him finding a girl he is comfortable talking to.
5x5 - The Russian Rocket Reaction
October 13, 2011
Sheldon and Leonard get invited to a party at Wil Wheaton's house, and Howard gets an out-of-this-world opportunity.
5x6 - The Rhinitis Revelation
October 20, 2011
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.
5x7 - The Good Guy Fluctuation
October 27, 2011
A cute comic book artist puts Leonard and Priya’s relationship to the test, while Sheldon tries to scare the guys for Halloween.
5x8 - The Isolation Permutation
November 3, 2011
Amy becomes heartbroken when she discovers that Penny and Bernadette went wedding dress shopping without her.
5x9 - The Ornithophobia Diffusion
November 10, 2011
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.
5x10 - The Flaming Spittoon Acquisition
November 17, 2011
When Stuart asks Amy out on a date, Sheldon must confront his feelings and consider where his relationship with Amy is going.
5x11 - The Speckerman Recurrence
December 8, 2011
Leonard must face his fears after being contacted by his high school tormentor.
5x12 - The Shiny Trinket Maneuver
January 12, 2012
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.
5x13 - The Recombination Hypothesis
January 19, 2012
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.
5x14 - The Beta Test Initiation
January 26, 2012
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.
5x15 - The Friendship Contraction
February 2, 2012
Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.
5x16 - The Vacation Solution
February 9, 2012
When Sheldon is forced to take his vacation, he goes to work with Amy in her neurobiology lab.
5x17 - The Rothman Disintegration
February 16, 2012
Sheldon battles Kripke for a coveted office at the university. Penny receives a very unusual gift from Amy.
5x18 - The Werewolf Transformation
February 23, 2012
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.
5x19 - The Weekend Vortex
March 8, 2012
Sheldon must choose between joining Amy at her aunt's birthday party or playing videogames all weekend with the guys.
5x20 - The Transporter Malfunction
March 29, 2012
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.
5x21 - The Hawking Excitation
April 5, 2012
When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.
5x22 - The Stag Convergence
April 26, 2012
After the guys throw Howard a bachelor party, Bernadette reconsiders marrying him after learning about his sexual history.
5x23 - The Launch Acceleration
May 3, 2012
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.
5x24 - The Countdown Reflection
May 10, 2012
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.

5x1 - The Skank Reflex Analysis

5x2 - The Infestation Hypothesis

5x3 - The Pulled Groin Extrapolation

5x4 - The Wiggly Finger Catalyst

5x5 - The Russian Rocket Reaction

5x6 - The Rhinitis Revelation

5x7 - The Good Guy Fluctuation

5x8 - The Isolation Permutation

5x9 - The Ornithophobia Diffusion

5x10 - The Flaming Spittoon Acquisition

5x11 - The Speckerman Recurrence

5x12 - The Shiny Trinket Maneuver

5x13 - The Recombination Hypothesis

5x14 - The Beta Test Initiation

5x15 - The Friendship Contraction

5x16 - The Vacation Solution

5x17 - The Rothman Disintegration

5x18 - The Werewolf Transformation

5x19 - The Weekend Vortex

5x20 - The Transporter Malfunction

5x21 - The Hawking Excitation

5x22 - The Stag Convergence

5x23 - The Launch Acceleration

5x24 - The Countdown Reflection

S0: Specials

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4

S5: Season 5

S6: Season 6

S7: Season 7

S8: Season 8

S9: Season 9

S10: Season 10

S11: Season 11

S12: Season 12