The Big Bang Theory

Sheldon heads to Texas after learning his friends messed with his data (S3 Ep1)

Leonard and Penny feel awkward around each other after their romantic liaison (S3 Ep2)

Howard and Raj go to a goth nightclub (S3 Ep3)

Raj reluctantly accepts a job offer from Sheldon so that he won't be sent back to India (S3 Ep4)

Sheldon enters a competition that pits him against Wil Wheaton (S3 Ep5)

Sheldon teaches Leonard about football so that he can fit in with Penny's friends (S3 Ep6)

Sheldon is upset when Leonard and Penny argue (S3 Ep7)

Sheldon rescues Penny after she dislocates her shoulder in the shower (S3 Ep8)

Howard is scared about committing to Bernadette, so he avoids her (S3 Ep9)

Bernadette becomes fascinated with Leonard's physics project (S3 Ep10)

Leonard is hurt by his mum's friendship with Sheldon (S3 Ep11)

A rift forms between Leonard and Penny when he ridicules her belief in psychics (S3 Ep12)

The gang work on creating a state-of-the-art security system after a burglary (S3 Ep13)

Sheldon gets a job at the Cheesecake Factory to kick-start his creativity (S3 Ep14)

Sheldon's jealous when Leonard invites Penny to visit the Large Hadron Collider (S3 Ep15)

Sheldon misses a chance to meet Stan Lee when he's summoned to court (S3 Ep16)

The gang squabble over a prop from the Lord of the Rings movies (S3 Ep17)

Sheldon earns an award but is scared of making a speech at the ceremony (S3 Ep18)

Leonard tells Penny that he loves her but doesn't get the response he hoped for (S3 Ep19)

Sheldon tries to hide his friendship with Penny from Leonard (S3 Ep20)

Sheldon invites a famous physicist to the flat, where she flirts with Leonard (S3 Ep21)

The housemate agreement is explained in a flashback to seven years ago (S3 Ep22)

Raj registers Sheldon for online dating and finds the perfect match (S3 Ep23)