The Big Bang Theory

1. The Bad Fish Paradigm

Leonard becomes concerned when his date with Penny ends abruptly and she star...

2. The Codpiece Topology

Sheldon is annoyed when Leonard turns to Leslie for comfort after seeing Penn...

3. The Barbarian Sublimation

Sheldon introduces Penny to online gaming, however she refuses to quit after ...

5. The Euclid Alternative

Sheldon annoys the gang when Leonard can't drive him to and from work, so the...

6. The Cooper-Nowitzki Theorem

Sheldon is flattered when a graduate student takes a shine to him, however he...

7. The Panty Piñata Polarization

Penny plans revenge when Sheldon bans her from his and Leonard's apartment, w...

8. The Lizard-Spock Expansion

Leonard and Howard's friendship is jeopardised when Leonard steals a girl fro...

9. The White Asparagus Triangulation

Sheldon believes that Leonard will wreck his relationship with Stephanie, so ...

10. The Vartabedian Conundrum

Leonard tries to slow down his relationship with Stephanie when he realizes t...

11. The Bath Item Gift Hypothesis

Leonard is disappointed when Penny develops an interest in an attractive phys...

12. The Killer Robot Instability

Howard becomes depressed after Penny makes a cruel statement about his love l...

13. The Friendship Algorithm

Sheldon tries to make friends with Kripke in the hope that it will get him ac...

14. The Financial Permeability

Leonard and Sheldon try to help out Penny when she can't afford to pay her rent.

15. The Maternal Capacitance

Sheldon hits it off with Leonard's psychoanalyst mother, but she drives Leona...

16. The Cushion Saturation

Howard hooks up with Leslie, while Penny accidentally ruins Sheldon's spot on...

17. The Terminator Decoupling

On a train to San Francisco, Howard, Raj and Leonard fight for the affections...

18. The Work Song Nanocluster

Sheldon's assistance with Penny's home-based business leads to chaos.

19. The Dead Hooker Juxtaposition

Penny becomes jealous when a gorgeous new neighbor attracts the guys' attention.

20. The Hofstadter Isotope

Leonard is upset when the owner of the comic book store goes on a date with P...

21. The Vegas Renormalization

After being dumped by Leslie, Howard heads to Las Vegas with Leonard and Raj....

22. The Classified Materials Turbulence

Penny's second date with Stuart has significant implications for Leonard. How...

23. The Monopolar Expedition

Penny gets upset when she finds out Leonard and the guys plan to work at the ...