The Best Episodes of The Big Bang Theory Season 3

Leonard tells Penny about how he met Sheldon for the first time...and what happened to the elevator.

Director: Mark Cendrowski

Writer: N/A

With Leonard, Howard and Raj away camping in the desert, an injured Penny has only Sheldon to rely on.

Director: Mark Cendrowski

Writer: N/A

While Penny worries that dating Leonard has ruined her for normal guys, Wolowitz and Koothrappali search for Sheldon's perfect match online.

Director: Peter Chakos

Writer: N/A

Penny gets help from Sheldon in order to understand what Leonard's work is, while Wolowitz develops a jealousy when Leonard starts hanging out with his new girlfriend.

Director: Mark Cendrowski

Writer: N/A

Sheldon's search for the answer to a physics problem leads him to work at the Cheesecake Factory with Penny.

Director: Mark Cendrowski

Writer: N/A

When the guys find a ring from "The Lord of the Rings" at a garage sale, it threatens to tear them apart.

Director: Mark Cendrowski

Writer: N/A

Sheldon's friends come to his aid when his fear of public speaking stands between him and a coveted award.

Director: Mark Cendrowski

Writer: N/A

When Sheldon learns the guys tampered with his expedition data he got from the arctic, he leaves to Texas in disgrace. This results in the guys following him, which threatens Leonard's hope for some romantic time with Penny and the guys' friendship with Sheldon.

Director: Mark Cendrowski

Writer: Steven Molaro

After overhearing that Wil Wheaton is entering a trading-card competition, Sheldon decides to enter it himself. Meanwhile, Penny sets up one of her friends on a date with Wolowitz.

Director: Mark Cendrowski

Writer: N/A

After he's humiliated on National Public Radio, Sheldon vows to destroy Kripke, while Wolowitz tries not to destroy his new relationship with Bernadette.

Director: Mark Cendrowski

Writer: N/A

A Christmas visit from his mother has Leonard discovering she's kept a lot of news from him that she shares with Sheldon and worrying if she'll approve of his romance with Penny.

Director: Mark Cendrowski

Writer: N/A

Leonard is aghast to find out a secret of Penny's: she believes in psychics. Meanwhile, Sheldon tries to assist Koothrappali in picking up a girl at a university mixer.

Director: Mark Cendrowski

Writer: N/A

Sheldon winds up in traffic court when he gets a ticket because of Penny.

Director: Peter Chakos

Writer: N/A

Howard and Raj visit a Goth nightclub to pick up women while Sheldon attempts to build a better Penny using chocolate-based behavior modification.

Director: Mark Cendrowski

Writer: N/A

When Leonard and Penny aren't speaking, Sheldon goes to extremes to keep them both happy.

Director: Anthony Joseph Rich

Writer: Chuck Lorre, Bill Prady, Lee Aronsohn, Steven Molaro

Leonard and Sheldon compete for the attention of a famous female physicist.

Director: Mark Cendrowski

Writer: N/A

Raj must find a new job or be sent back to India, but Sheldon has a solution, which leaves Leonard and Penny dealing with Howard as a third wheel.

Director: Mark Cendrowski

Writer: Steve Holland

When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.

Director: Mark Cendrowski

Writer: N/A

Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider (the world's largest and highest energy particle accelerator) in Switzerland on Valentine's Day.

Director: Mark Cendrowski

Writer: N/A

A squabble between Leonard and Penny sees Sheldon playing mediator, though out of his own incovenience from the sitiation rather than altruism.

Director: Mark Cendrowski

Writer: N/A

A fight between Leonard and Penny threatens their relationship, while Sheldon battles Wil Wheaton in bowling.

Director: Mark Cendrowski

Writer: N/A

Leonard and Penny struggle to recover from an awkward first hookup while Sheldon and Howard stake their best comic books on a bet to determine the species of a cricket.

Director: Mark Cendrowski

Writer: Jim Reynolds

Sheldon becomes Leonard's teacher in order to understand football, while an incident with flying a kite threatens Howard and Raj's friendship.

Director: Mark Cendrowski

Writer: N/A