Watch The Big Bang Theory Season 3 online
The Big Bang Theory Season 3 streaming: where to watch online?
- Amazon Video 🇺🇸 Buy
- Apple TV 🇺🇸🇨🇦🇬🇧🇦🇺 Buy
- Paramount Plus 🇺🇸 Subscription
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.
Episodes
1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. The Cornhusker Vortex
Sheldon teaches Leonard how to understand football while a kite-fighting incident threatens Howard and Raj's friendship.
7. The Guitarist Amplification
An argument between Leonard and Penny proves "inconvenient" to Sheldon.
8. The Adhesive Duck Deficiency
With Leonard, Howard and Raj away camping in the desert, an injured Penny has only Sheldon to rely on.
9. 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.
10. 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.
11. The Maternal Congruence
Visit from Leonard's mother delights Sheldon and horrifies Leonard.
12. The Psychic Vortex
While Sheldon and Koothrappali attend a university mixer, Leonard is upset to discover that Penny believes in psychics.
13. The Bozeman Reaction
When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.
14. The Einstein Approximation
Sheldon's search for the answer to a physics problem leads him to work at the Cheesecake Factory with Penny.
15. 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.
16. The Excelsior Acquisition
Sheldon winds up in traffic court when he gets a ticket because of Penny.
17. 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.
18. The Pants Alternative
Sheldon's friends come to his aid when his fear of public speaking stands between him and a coveted award.
19. The Wheaton Recurrence
Fight between Leonard and Penny threatens their relationship, while Sheldon battles Wil Wheaton in bowling.
20. The Spaghetti Catalyst
When Leonard and Penny aren't speaking, Sheldon goes to extremes to keep them both happy.
21. The Plimpton Stimulation
Leonard and Sheldon compete for the attention of a famous female physicist.
22. The Staircase Implementation
Leonard tells Penny about how he met Sheldon for the first time...and what happened to the elevator.
23. 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.