Sheldon and Leonard start competing for the attention of a very famous female physicist.
Season 3 – Episode 20 – “The Spaghetti Catalyst”
When Penny and her boyfriend Leonard aren’t speaking, Sheldon starts going to extremes just to keep them both happy!
Season 3 – Episode 19 – “The Wheaton Recurrence”
Penny and Leonard have a fight which threatens their relationship, while Sheldon battles with Wil Wheaton in bowling!
Season 3 – Episode 18 – “The Pants Alternative”
Sheldon’s friends help him with his fear of public speaking that stands between him and winning an award.
Season 3 – Episode 17 – “The Precious Fragmentation”
The guys find a ring from “The Lord of the Rings” at a garage sale, which threatens to tear them apart!
Season 3 – Episode 16 – “The Excelsior Acquisition”
Sheldon gets a traffic ticket because of Penny, and he ends up in jail!
Season 3 – Episode 15 – “The Large Hadron Collision”
Leonard gets an invitation for a trip to see CERN’s Large Hadron Collider in Switzerland on Valentine’s Day, and he has to chose between taking Penny or Sheldon!
Season 3 – Episode 14 – “The Einstein Approximation”
Sheldon gets a hard time finding the answer to a physics problem, then he ends up working at the Cheesecake Factory with Penny!
Season 3 – Episode 13 – “The Bozeman Reaction”
The guys’ apartment gets robbed, so they decide to devise a security system.
Season 3 – Episode 12 – “The Psychic Vortex”
Leonard tries to find out a secret of Penny’s; she believes in physics. Also, Sheldon helps Raj to pick up a girl at a university party.







