
MTV is a global youth culture brand inspired by music. It’s online hub MTV.com is a leading destination for music, news and pop culture.

Sheldon goes to work with Amy in her neurobiology lab when the university forces him to take a vacation; Bernadette asks Howard to sign a prenup.

Sheldon and his nemesis, Kripke, compete for a corner office; Penny feels uncomfortable after receiving a gift from Amy.

Sheldon's routine is turned upside down when his barber gets sick; Wolowitz questions his decision to go into space.

Sheldon chooses to participate in a guys-only weekend Star Wars gaming marathon rather than go with Amy to her aunt's birthday party; he gets a lesson from Penny and Amy.

When Penny buys Leonard and Sheldon "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock; after a blind date, Raj believes he has met his future wife.

When Stephen Hawking comes to lecture at the university for a week, Wolowitz is given the task of maintaining his wheelchair, making Sheldon green with envy.

Knowledge of Howard's sexual history makes Bernadette reconsider their future together.

Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard says something in the bedroom that surprises Penny.