The Big Bang Theory

1. The Robotic Manipulation

Penny ends up tagging along on Sheldon's first ever date with Amy, while Howa...

2. The Cruciferous Vegetable Amplification

When Sheldon calculates the technology to download his consciousness into a r...

3. The Zazzy Substitution

Following his 'breakup' with Amy, the gang become concerned with Sheldon's ob...

4. The Hot Troll Deviation

Howard tries to get Penny's help in winning back Bernadette, but first has to...

5. The Desperation Emanation

Sheldon is scared that he is in a relationship when Amy asks him to meet her ...

6. The Irish Pub Formulation

Leonard tries to keep everyone from finding out that he spent the night with ...

7. The Apology Insufficiency

An FBI agent interviews the guys when Howard needs to obtain a security clear...

8. The 21-Second Excitation

The guys camp out all night waiting to see an extended cut of Indiana Jones, ...

9. The Boyfriend Complexity

Penny asks Leonard to pose as her boyfriend when her father visits. Howard, R...

10. The Alien Parasite Hypothesis

Amy finds she has sexual feelings for Penny's ex-boyfriend Zack, while Raj an...

11. The Justice League Recombination

The guys enter a costume contest as members of the Justice League and convinc...

13. The Love Car Displacement

Chaos ensues when the gang spend the weekend together at a science convention.

14. The Thespian Catalyst

To improve his skills as an instructor, Sheldon asks Penny to give him acting...

15. The Benefactor Factor

To secure needed funding for the university, Sheldon convinces Leonard to get...

16. The Cohabitation Formulation

Bernadette makes Howard choose between herself and his mother, while Penny an...

17. The Toast Derivation

Sheldon becomes concerned when everybody begins to hang out at Raj's apartmen...

18. The Prestidigitation Approximation

Priya forces Leonard to choose between a relationship with her or a friendshi...

19. The Zarnecki Incursion

The guys go all out to help Sheldon find the person responsible for hacking h...

20. The Herb Garden Germination

Sheldon and Amy secretly experiment on the gang by spreading rumors when they...

21. The Agreement Dissection

When Priya finds a loophole in the roommate agreement to throw Sheldon out fo...

22. The Wildebeest Implementation

Sheldon invents a three-player chess game, Penny and Amy use Bernadette to sp...

23. The Engagement Reaction

Howard believes that his mom suffered a heart attack because he told her that...

24. The Roommate Transmogrification

Raj moves in with Sheldon after hearing Leonard and Priya engage in a Star Tr...