The Big Bang Theory Season 6 poster

The Big Bang Theory — Season 6

Smart is the new sexy.

201224 episodes7.6/10 (1,177 votes)

About this season

Whether on or above Earth, hilarity is outrageously universal in TV's most popular comedy featuring four forward-thinking but socially backward geniuses. Fun discoveries multiply: Leonard learns jealousy is bad for a relationship (with Penny) but science is good for seduction (of Penny). Howard finds life in the International Space Station life is no escape from terrestrial turmoil between his mom and his new wife Bernadette. Raj meets someone special who may be a good match, if he can keep her from fleeing mid-date. And then there's Sheldon. He learns what not to say after facing harassment charges or competing for tenure at work and how Dungeons & Dragons can be the icebreaker his relationship with Amy needs.

Episodes (24)

The Date Night Variable
E1

1. The Date Night Variable

7.2

Aired 27 September 2012 • 21 min

With his friends on dates, Raj must face his loneliness. Also, Wolowitz is caught in an argument between Bernadette and his mom, even while he’s in space.

The Decoupling Fluctuation
E2

2. The Decoupling Fluctuation

7.3

Aired 4 October 2012 • 21 min

When Sheldon learns that Penny is thinking about breaking up with Leonard, he tries to intervene. Meanwhile, in space, the other astronauts pick on Howard.

The Higgs Boson Observation
E3

3. The Higgs Boson Observation

7.4

Aired 11 October 2012 • 19 min

Amy feels threatened when Sheldon hires a young female assistant, and the pressure of being in space takes its toll on Wolowitz.

The Re-Entry Minimization
E4

4. The Re-Entry Minimization

7.8

Aired 18 October 2012 • 21 min

When Wolowitz returns from space, he doesn’t get the hero’s welcome he expected. Meanwhile, Game Night turns into a battle of the sexes.

The Holographic Excitation
E5

5. The Holographic Excitation

7.5

Aired 25 October 2012 • 21 min

The gang celebrates Halloween at Stuart’s comic book store. Meanwhile, Leonard seduces Penny with science.

The Extract Obliteration
E6

6. The Extract Obliteration

7.2

Aired 1 November 2012 • 21 min

Sheldon’s relationship with Stephen Hawking is threatened over a game of “Words with Friends,” and Penny secretly enrolls in a class at the local college.

The Habitation Configuration
E7

7. The Habitation Configuration

7.2

Aired 8 November 2012 • 21 min

Wolowitz struggles with moving out of his mother’s house. Meanwhile, Sheldon is caught in the middle of an argument between Amy and Wil Wheaton.

The 43 Peculiarity
E8

8. The 43 Peculiarity

7.8

Aired 15 November 2012 • 21 min

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

The Parking Spot Escalation
E9

9. The Parking Spot Escalation

7.8

Aired 29 November 2012 • 20 min

When the University reassigns Sheldon’s parking spot to Wolowitz, their fight affects the whole gang.

The Fish Guts Displacement
E10

10. The Fish Guts Displacement

7.7

Aired 6 December 2012 • 21 min

When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.

The Santa Simulation
E11

11. The Santa Simulation

7.5

Aired 13 December 2012 • 21 min

During a Dungeons and Dragons game, Sheldon revisits Christmas memories; Amy, Penny and Bernadette look for a date for Raj.

The Egg Salad Equivalency
E12

12. The Egg Salad Equivalency

7.7

Aired 3 January 2013 • 21 min

When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Howard in trouble.

The Bakersfield Expedition
E13

13. The Bakersfield Expedition

8.0

Aired 10 January 2013 • 21 min

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

The Cooper/Kripke Inversion
E14

14. The Cooper/Kripke Inversion

7.4

Aired 31 January 2013 • 20 min

Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke; Raj and Howard buy expensive action figures of themselves.

The Spoiler Alert Segmentation
E15

15. The Spoiler Alert Segmentation

7.6

Aired 7 February 2013 • 21 min

A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements; while Howard is away, Raj helps Mrs. Wolowitz out.

The Tangible Affection Proof
E16

16. The Tangible Affection Proof

7.4

Aired 14 February 2013 • 21 min

The guys search for a perfect Valentine's Day gift for their significant others; Stuart and Raj host a "lonely people" party at the comic book store.

The Monster Isolation
E17

17. The Monster Isolation

7.6

Aired 21 February 2013 • 19 min

After a bad date, Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.

The Contractual Obligation Implementation
E18

18. The Contractual Obligation Implementation

7.6

Aired 7 March 2013 • 20 min

Leonard, Sheldon and Howard give lectures on science to junior high students. The girls ditch work to go to Disneyland. Raj devises a date for Lucy that fixes their social anxiety problems.

The Closet Reconfiguration
E19

19. The Closet Reconfiguration

7.6

Aired 14 March 2013 • 20 min

Howard considers whether or not he should open a letter from his father; Penny and Leonard host a "grown-up" cocktail party.

The Tenure Turbulence
E20

20. The Tenure Turbulence

7.7

Aired 4 April 2013 • 19 min

The girls get involved when Leonard, Sheldon and Raj compete for tenure at the University.

The Closure Alternative
E21

21. The Closure Alternative

7.7

Aired 25 April 2013 • 20 min

Amy tries to help Sheldon get over his compulsive need for closure when one of his favorite TV shows is canceled; Raj discovers a secret about Lucy.

The Proton Resurgence
E22

22. The Proton Resurgence

7.8

Aired 2 May 2013 • 21 min

Leonard and Sheldon hire the host (Bob Newhart) of their favorite childhood TV show to perform; Bernadette and Howard run into trouble while dog-sitting for Raj's pet.

The Love Spell Potential
E23

23. The Love Spell Potential

7.6

Aired 9 May 2013 • 21 min

A date between Raj and Lucy takes both of them out of their comfort zones. After a trip to Las Vegas goes awry, the girls join in on a Dungeons and Dragons game, which causes Amy and Sheldon to re-evaluate their relationship.

The Bon Voyage Reaction
E24

24. The Bon Voyage Reaction

7.4

Aired 16 May 2013 • 20 min

When Leonard receives an exciting opportunity to work overseas, Penny and Sheldon are thrown for a loop. Raj and Lucy's relationship comes to a crossroad.

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