Episode Guide

The 43 Peculiarity

The 43 Peculiarity

Season 6, Ep. 8

Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.

First aired on November 15, 2012.

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The Habitation Configuration

The Habitation Configuration

Season 6, Ep. 7

Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.

First aired on November 8, 2012.

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The Extract Obliteration

The Extract Obliteration

Season 6, Ep. 6

A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.

First aired on November 1, 2012.

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 The Holographic Excitation

The Holographic Excitation

Season 6, Ep. 5

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

First aired on October 25, 2012.

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The Re-Entry Minimization

The Re-Entry Minimization

Season 6, Ep. 4

Wolowitz's return from space isn't all he expected; game night becomes a gender war.

First aired on October 18, 2012.

The Higgs Boson Observation

The Higgs Boson Observation

Season 6, Ep. 3

Amy feels threatened by Sheldon's new assistant; Wolowitz starts to feel the pressures of being in space

First aired on Oct. 11.

The Decoupling Fluctuation

The Decoupling Fluctuation

Season 6, Ep. 2

Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard; Howard is picked on.

First aired on Oct. 4.

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The Date Night Variable

The Date Night Variable

Season 6, Ep. 1

Raj faces his loneliness when his friends are out on dates; while in space, Wolowitz gets drawn into a fight between Bernadette and his mom.

First aired on Sept. 27.

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The Countdown Reflection

The Countdown Reflection

Season 5, Ep. 24

In the season finale, Howard and Bernadette decide to get married before his NASA mission, causing the gang to scurry into overdrive in an effort to stage the wedding.

Original Air Date: May 10, 2012

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The Launch Acceleration

The Launch Acceleration

Season 5, Ep. 23

NASA reschedules Howard's mission, putting the wedding plans in jeopardy. Meanwhile, Leonard says something surprising to Penny in the bedroom.

Original Air Date: May 3, 2012

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The Stag Convergence

The Stag Convergence

Season 5, Ep. 22

Bernadette has second thoughts about marrying Howard when details of his sexual history emerge at his bachelor party.

Original Air Date: April 26, 2012

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The Hawking Excitation

The Hawking Excitation

Season 5, Ep. 21

Sheldon is in seventh heaven and prepared to do whatever it takes to meet his science idol Stephen Hawking, who is working on a project with Wolowitz.

Original Air Date: April 5, 2012

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The Transporter Malfunction

The Transporter Malfunction

Season 5, Ep. 20

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) after he breaks Leonard's "Star Trek" collectible.

Original Air Date: March 29, 2012

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The Weekend Vortex

The Weekend Vortex

Season 5, Ep. 19

Sheldon opts to spend a weekend playing video games with the guys instead of attending a birthday party for Amy's aunt.

Original Air Date: March 8, 2012

The Werewolf Transformation

The Werewolf Transformation

Season 5, Ep. 18

After his barber is hospitalized, Sheldon undergoes a hair-raising change in lifestyle as his carefully planned daily routines are thrown for a loop. Meanwhile, Howard is up in the air about continuing his astronaut training.

Original Air Date: February 23, 2012

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The Rothman Disintegration

The Rothman Disintegration

Season 5, Ep. 17

Sheldon and Kripke square off in a series of sports-related competitions to win a coveted corner office at the university. Meanwhile, Penny feels uncomfortable accepting a gift from Amy.

Original Air Date: February 16, 2012

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The Friendship Contraction

The Friendship Contraction

Season 5, Ep. 15

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

Original Air  Date: February 2, 2012

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The Beta Test Initiation

The Beta Test Initiation

Season 5, Ep. 14

Leonard and Penny experiment with dating, while Raj develops a peculiar relationship with his phone's virtual assistant.

Original Air Date: January 26, 2012

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The Recombination Hypothesis

The Recombination Hypothesis

Season 5, Ep. 13

Everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two.

Original Air Date: January 19, 2012

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The Shiny Trinket Manoeuvre

The Shiny Trinket Manoeuvre

Season 5, Ep. 12

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The Speckerman Recurrence

The Speckerman Recurrence

Season 5, Ep. 11

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

Original Air Date: December 8, 2011

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The Flaming Spittoon Acquisition

The Flaming Spittoon Acquisition

Season 5, Ep. 10

Sheldon considers taking his relationship with Amy to the next level when Stuart from the comic book store asks her out on a date.

Original Air Date: November 17, 2011

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The Ornithophibia Diffusion

The Ornithophibia Diffusion

Season 5, Ep. 9

Leonard and Penny try hanging out alone, and Sheldon must overcome his fear of birds.

Original Air Date: November 10, 2011

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The Isolation Permutation

The Isolation Permutation

Season 5, Ep. 8

Amy is crushed when Bernadette and Penny go shopping for wedding dresses without her.

Original Air Date: November 3, 2011

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Good Guy Fluctuation

Good Guy Fluctuation

Season 5, Ep. 7

An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends.

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