1. The Hofstadter Insufficiency

Leonard is away at sea, so Sheldon and Penny spend time together and spill some ... More

2. The Deception Verification

Leonard returns from his expedition and finds things chilly between him and Shel... More

3. The Scavenger Vortex

Raj puts together a scavenger hunt that turns into serious, cutthroat competitio... More

4. The Raiders Minimization

Amy ruins one of Sheldon's favorite films, Leonard discovers how to get Penny to... More

5. The Workplace Proximity

Amy takes a job at Sheldon's university, putting their relationship to the test.

6. The Romance Resonance

Sheldon fears his major scientific breakthrough may haunt him for the rest of hi... More

7. The Proton Displacement

When Sheldon's childhood hero, Professor Proton, seeks Leonard's help with an ex... More

8. The Itchy Brain Simulation

Leonard fails to stop Sheldon from overreacting after a past slight comes to lig... More

9. The Thanksgiving Decoupling

Howard's mother has a say when he and Bernadette host Thanksgiving dinner for th... More

10. The Discovery Dissipation

Amy and Leonard try to help Sheldon when his accidental scientific discovery is ... More

11. The Cooper Extraction

With Sheldon in Texas, the gang decorates for Christmas, and they each contempla... More

12. The Hesitation Ramification

Penny turns to Leonard after her NCIS guest appearance doesn't turn out well. Sh... More

13. The Occupation Recalibration

Penny makes a big step toward pursuing a full-time acting career, and Sheldon is... More

14. The Convention Conundrum

Unable to score tickets for Comic-Con, Sheldon decides to stage his own comic-bo... More

15. The Locomotive Manipulation

Amy talks Sheldon into a romantic Valentine's Day getaway to Napa Valley. Leonar... More

16. The Table Polarization

Leonard's purchase of a new dining-room table doesn't sit well with Sheldon, and... More

17. The Friendship Turbulence

Things turn rocky between Sheldon and Wolowitz, and Bernadette steps in to media... More

18. The Mommy Observation

Sheldon's visit to see his mommy forces him to start addressing a new reality. T... More

19. The Indecision Amalgamation

Raj wrestles with dating two women at the same time, Penny is offered a part in ... More

20. The Relationship Diremption

Raj and Howard double-date, and the latter is flushed with embarrassment after R... More

21. The Anything Can Happen Recurrence

Leonard reinstates Anything Can Happen Thursday, and Sheldon attempts something ... More

22. The Proton Transmogrification

Sheldon receives counseling from his childhood TV idol, while Penny and Leonard ... More

23. The Gorilla Dissolution

A trying day at the movie shoot makes Penny question her life choices. Caring fo... More

24. The Status Quo Combustion

Sheldon gets caught up in all the life-altering changes going on around him and ... More