Leonard and Sheldon are brilliant physicists, the kind of "beautiful minds" that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny moves in next door.
The Big Bang Theory Season 5 (2011-2012)
|5x01 The Skank Reflex Analysis |
Penny worries that she’s screwed things up permanently with her friends, while Sheldon takes command of the paintball team.
|Sep. 22, 2011|
|5x02 The Infestation Hypothesis |
A fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya.
|Sep. 22, 2011|
|5x03 The Pulled Groin Extrapolation |
Leonard and Amy get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz.
|Sep. 29, 2011|
|5x04 The Wiggly Finger Catalyst |
Raj finally meets a girl he can communicate with.
|Oct. 06, 2011|
|5x05 The Russian Rocket Reaction |
Sheldon and Leonard are invited to a party hosted by Wil Wheaton, and Howard is offered a one-in-a-lifetime event.
|Oct. 13, 2011|
|5x06 The Rhinitis Revelation |
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.
|Oct. 20, 2011|
|5x07 The Good Guy Fluctuation |
A cute comic book artist puts Leonard and Priya’s relationship to the test, while Sheldon tries to scare the guys for Halloween.
|Oct. 27, 2011|
|5x08 The Isolation Permutation |
Amy becomes heartbroken, when she discovers that Penny and Bernadette went wedding dress shopping without her.
|Nov. 03, 2011|
|5x09 The Ornithophobia Diffusion |
Leonard and Penny try hanging out alone, and Sheldon must overcome his fear of birds.
|Nov. 10, 2011|
|5x10 The Flaming Spittoon Acquisition |
Sheldon considers taking his relationship with Amy to the next level when Stuart from the comic book store asks her out on a date.
|Nov. 17, 2011|
|5x11 The Speckerman Recurrence |
Leonard must face his fears after being contacted by his high school tormentor.
|Dec. 08, 2011|
|5x12 The Shiny Trinket Maneuver |
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.
|Jan. 12, 2012|
|5x13 The Recombination Hypothesis |
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.
|Jan. 19, 2012|
|5x14 The Beta Test Initiation |
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 iPhone. Meanwhile, ...
|Jan. 26, 2012|
|5x15 The Friendship Contraction |
Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.
|Feb. 02, 2012|
|5x16 The Vacation Solution |
When Sheldon is forced to take his vacation, he goes to work with Amy in her neurobiology lab.
|Feb. 09, 2012|
|5x17 The Rothman Disintegration |
When an office at the University opens up, Sheldon must compete for it with his archenemy, Kripke. Meanwhile, a gift from Amy makes Penny uncomfortable.
|Feb. 16, 2012|
|5x18 The Werewolf Transformation |
Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space.
|Feb. 23, 2012|
|5x19 The Weekend Vortex |
Sheldon must choose between joining Amy at her aunt's birthday party or playing videogames all weekend with the guys.
|Mar. 08, 2012|
|5x20 The Transporter Malfunction |
Raj may have found his soul mate after his parents set him up on a date. Meanwhile, Sheldon thinks he's going out of his mind when he begins hearing the voice of Spock (Leonard Nimoy) ...
|Mar. 29, 2012|
|5x21 The Hawking Excitation |
When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.
|Apr. 05, 2012|
|5x22 The Stag Convergence |
After the guys throw Howard a bachelor party, Bernadette reconsiders marrying him after learning about his sexual history.
|Apr. 26, 2012|
|5x23 The Launch Acceleration |
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 ...
|May. 03, 2012|
|5x24 The Countdown Reflection |
Wolowitz makes his final preparations to launch into space
|May. 10, 2012|
Season 5 Characters[none added]
Season 5 Videos[none added]
Season 5 Trivia[none added]
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