The Big Bang Theory - Season 3

The Big Bang Theory - Season 3

Season 3

Penny throws herself at Leonard after he returns from three months at the North Pole and they begin a relationship, Penny and Sheldon start a quirky friendship though she can still annoy him, Howard begins to date Bernadette Rostenkowski and Sheldon meets Amy Farrah Fowler.

Network
Episodes23
DatesSep 21, 2009 - May 24, 2010
Previous SeasonNext Season

Episodes

The Electric Can Opener Fluctuation
Season 3Episode 130 min

The Electric Can Opener Fluctuation

Sheldon flees back to Texas in disgrace when he learns the guys tampered with his arctic expedition data, forcing the guys to follow him and threatening Leonard's hopes for a romantic encounter with Penny.

Sep 21, 2009
The Jiminy Conjecture
Season 3Episode 230 min

The Jiminy Conjecture

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.

Sep 28, 2009
The Gothowitz Deviation
Season 3Episode 330 min

The Gothowitz Deviation

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

Oct 5, 2009
The Pirate Solution
Season 3Episode 430 min

The Pirate Solution

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 third wheel.

Oct 12, 2009
The Creepy Candy Coating Corollary
Season 3Episode 530 min

The Creepy Candy Coating Corollary

While Sheldon settles a score with his nemesis, Wil Wheaton, Wolowitz begs Leonard to get Penny to set him up with one of her friends.

Oct 19, 2009
The Cornhusker Vortex
Season 3Episode 630 min

The Cornhusker Vortex

Sheldon teaches Leonard how to understand football while a kite-fighting incident threatens Howard and Raj's friendship.

Nov 2, 2009
The Guitarist Amplification
Season 3Episode 730 min

The Guitarist Amplification

An argument between Leonard and Penny proves "inconvenient" to Sheldon.

Nov 9, 2009
The Adhesive Duck Deficiency
Season 3Episode 830 min

The Adhesive Duck Deficiency

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

Nov 16, 2009
The Vengeance Formulation
Season 3Episode 930 min

The Vengeance Formulation

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

Nov 23, 2009
The Gorilla Experiment
Season 3Episode 1030 min

The Gorilla Experiment

Sheldon attempts to help Penny understand Leonard's work, and Wolowitz becomes jealous when Leonard starts hanging out with his new girlfriend.

Dec 7, 2009
The Maternal Congruence
Season 3Episode 1130 min

The Maternal Congruence

Visit from Leonard's mother delights Sheldon and horrifies Leonard.

Dec 14, 2009
The Psychic Vortex
Season 3Episode 1230 min

The Psychic Vortex

While Sheldon and Koothrappali attend a university mixer, Leonard is upset to discover that Penny believes in psychics.

Jan 11, 2010
The Bozeman Reaction
Season 3Episode 1330 min

The Bozeman Reaction

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

Jan 18, 2010
The Einstein Approximation
Season 3Episode 1430 min

The Einstein Approximation

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

Feb 1, 2010
The Large Hadron Collision
Season 3Episode 1530 min

The Large Hadron Collision

Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider in Switzerland on Valentine's Day.

Feb 8, 2010
The Excelsior Acquisition
Season 3Episode 1630 min

The Excelsior Acquisition

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

Mar 1, 2010
The Precious Fragmentation
Season 3Episode 1730 min

The Precious Fragmentation

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

Mar 8, 2010
The Pants Alternative
Season 3Episode 1830 min

The Pants Alternative

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

Mar 22, 2010
The Wheaton Recurrence
Season 3Episode 1930 min

The Wheaton Recurrence

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

Apr 12, 2010
The Spaghetti Catalyst
Season 3Episode 2030 min

The Spaghetti Catalyst

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

May 3, 2010
The Plimpton Stimulation
Season 3Episode 2130 min

The Plimpton Stimulation

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

May 10, 2010
The Staircase Implementation
Season 3Episode 2230 min

The Staircase Implementation

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

May 17, 2010
The Lunar Excitation
Season 3Episode 2330 min

The Lunar Excitation

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

May 24, 2010

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