Season 5 Breakdown

Normal Episodes: 24
TV Specials: 0
TV Movies: 0

The Big Bang Theory Season 5 (2011-2012)

The Big Bang Theory The Skank Reflex Analysis 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
The Big Bang Theory The Infestation Hypothesis 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
The Big Bang Theory The Pulled Groin Extrapolation 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
The Big Bang Theory The Wiggly Finger Catalyst 5x04 The Wiggly Finger Catalyst
Raj finally meets a girl he can communicate with.
Oct. 06, 2011
The Big Bang Theory The Russian Rocket Reaction 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
The Big Bang Theory The Rhinitis Revelation 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
The Big Bang Theory The Good Guy Fluctuation 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
The Big Bang Theory The Isolation Permutation 5x08 The Isolation Permutation
Amy becomes heartbroken, when she discovers that Penny and Bernadette went wedding dress shopping without her.
Nov. 03, 2011
The Big Bang Theory The Ornithophobia Diffusion 5x09 The Ornithophobia Diffusion
Leonard and Penny try hanging out alone, and Sheldon must overcome his fear of birds.
Nov. 10, 2011
The Big Bang Theory The Flaming Spittoon Acquisition 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
The Big Bang Theory The Speckerman Recurrence 5x11 The Speckerman Recurrence
Leonard must face his fears after being contacted by his high school tormentor.
Dec. 08, 2011
The Big Bang Theory The Shiny Trinket Maneuver 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
The Big Bang Theory The Recombination Hypothesis 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
The Big Bang Theory The Beta Test Initiation 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
The Big Bang Theory The Friendship Contraction 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
The Big Bang Theory The Vacation Solution 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
The Big Bang Theory The Rothman Disintegration 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
The Big Bang Theory The Werewolf Transformation 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
The Big Bang Theory The Weekend Vortex 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
The Big Bang Theory The Transporter Malfunction 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
The Big Bang Theory The Hawking Excitation 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
The Big Bang Theory The Stag Convergence 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
The Big Bang Theory The Launch Acceleration 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
The Big Bang Theory The Countdown Reflection 5x24 The Countdown Reflection
Wolowitz makes his final preparations to launch into space
May. 10, 2012
Season Guides
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Season 5 Characters

Leonard Hofstadter played by Johnny Galecki
Sheldon Cooper played by Jim Parsons (II)
Penny played by Kaley Cuoco
Howard Wolowitz played by Simon Helberg
Raj Koothrappali played by Kunal Nayyar
Bernadette Rostenkowski played by Melissa Rauch
Amy Farrah Fowler played by Mayim Bialik
Mrs. Wolowitz voiced by Carol Ann Susi
Stuart played by Kevin Sussman
Mrs. Koothrappali played by Alice Amter
Dr. Koothrappali played by Brian George
Priya played by Aarti Mann
Wil Wheaton played by Wil Wheaton
Mr. Rostenkowski played by Casey Sander
President Siebert played by Joshua Malina
Jimmy played by Karl T. Wright
Himself played by Michael J. Massimino
Barry Kripke played by John Ross Bowie
Mary Cooper played by Laurie Metcalf
Stephen Hawking played by Stephen Hawking
Kevin played by Blake Berris
Emily played by Katie Leclerc
Reverend White played by Jim Turner

[More Cast]


Season 5 Videos

Sheldon Paintball
Sheldon Paintball (00:43)

Bongos
Bongos (00:50)

Raj's New Phone
Raj's New Phone (00:36)

[More Videos]

Season 5 Quotes

05x17 - The Rothman Disintegration Season 5 / Episode 17: - The Rothman Disintegration

Amy Farrah Fowler: Good night, painting Penny. Good night, real Penny.
Penny: Good night, real Amy.
Amy Farrah Fowler: You don't have to say good night to painting Amy, because she's never leaving.
Bernadette Rostenkowski: Good night, real Penny.
Penny: Bye.
Bernadette Rostenkowski: Good night, transvestite Penny.
05x21 - The Hawking Excitation Season 5 / Episode 21: - The Hawking Excitation

Raj Koothrappali: Oh boy, well, Sheldon's going to freak out!
Leonard Hofstadter: Yeah, he worships Hawking.
Howard Wolowitz: I was actually thinking of bringing him along when I go over there so he can meet the great man.
Raj Koothrappali: It's really nice of you, Howard.
Howard Wolowitz: It's no big deal.
Leonard Hofstadter: Boy, a restraining order from Stephen Hawking. It'll look so nice next to the ones he's already got from Leonard Nimoy, Carl Sagan, and Stan Lee.
Sheldon Cooper: Leonard, do you recall when I said that I was going to revolutionize humanity's understanding of the Higgs boson particle and you said "Sheldon, it's 2 a.m., get out of my bedroom!"?
Leonard Hofstadter: Like it was 10 hours ago. What about it?
Sheldon Cooper: Well, I believe I've done it. Now, I'm only saying "believe" to sound modest, because Sweet-Sam-Houston, I did it.
Leonard Hofstadter: Really?
Raj Koothrappali: That's incredible! Oh, here! Breakout the math.
Sheldon Cooper: Oh, okay, let me see this.


Sheldon Cooper: Alright! So, this particle here, is the boson, moving forward in time. Now, I was thinking...


Sheldon Cooper: Howard, you go ahead and eat. This isn't going to make any sense to you.
Howard Wolowitz: Sheldon, I have a working understanding of Physics.
Sheldon Cooper: Yeah, good for you! Don't stop working on it.
Raj Koothrappali: You still going to tell him about you-know-who?
Howard Wolowitz: Yep.
Leonard Hofstadter: Still going to introduce him?
Howard Wolowitz: Not on your life!
[More Quotes]

Season 5 Trivia

  • Episode 09 - Sheldon first reveals birds scare him.
  • Episode 13 - When Leonard first sees Penny she is framed in the doorway of her apartment and dressed similarly to the way Leonard first saw her in the series pilot. Leonard and Sheldon are also dressed in a similar fashion.
  • Episode 04 - When Raj was 6, he tried to form a boy band called "Frankie goes to Bollywood" but no one wanted to join so his parents got some of the servants to be his backup dancers.
  • Episode 14 - The flag on the right side of Sheldon and Amy's video is the apartment flag that Sheldon had made and is first seen in "The Staircase Implementation".
  • Episode 08 - Leonard refers to himself as "single", confirming he and Priya have broken up after the events of the previous show.

[More Trivia]


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