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Raj and Howard sign Sheldon up for online dating, and find the perfect woman for him. She is the female version of Sheldon (played by Mayim Bialik). Penny shows up at Leonard's door, drunk and lonely, and takes him straight into the bedroom. Leonard wakes up the next morning overjoyed until he finds out that Penny regr... More...
In this episode we trace the history of Sheldon and Leonard and the guys. Penny asks Leonard why he ever moved in with Sheldon, and through flashbacks we learn the whole genesis of their friendship. It started 7 years ago when Leonard was simply looking for a roommate. Sheldon had advertised at the University, and Leon... More...
When Sheldon meets a famous female physicist online, and invites her to come visit and stay at his apartment, Leonard quickly realizes that it is the famous and very attractive female physicist that he has a big thing for. It turns out that she is interested in Leonard, and pays him a visit to his room in the middle of... More...
Sheldon tries to hide from Leonard that he is still "seeing" Penny. When Penny runs into Sheldon in the hallway and he expresses to her that he would like to remain friends, even though she and Leonard are no longer "coitusing," Penny is pleasantly surprised at Sheldon's overture, and invites him to... More...
Leonard tells Penny he loves her but she replies with "thank you" which was not the response that Leonard was looking for. Leonard is hurt and Penny feels him pulling away and explains to him that she has said "I love you" too early in a relationship and the outcome wasn't good so she didn't want to... More...
Sheldon finds out he is being honored with a prestigious award by the University and suddenly gets stage freight and wants to decline the award just so he won't have to stand in front of his colleagues and give a speech. Penny wants to help Sheldon regain his confidence and enlists the guys to help her do it. She convi... More...
In a parody of "The Lord of the Rings," the guys fight over a ring they believe was an original prop from the movie. Leonard wants to give the ring back to its original owner. Koothrappali wants to sell it so that he can get a jet ski. Sheldon wants to keep it so badly that he actually starts to turn into Gol... More...
Sheldon is summoned to traffic court after getting a ticket for running a red light while taking Penny to the hospital (episode #308) and misses meeting Stan Lee, creator of Spiderman, at the comic book store. While in court Sheldon insults the judge and ends up in jail for contempt. He threatens to never forgive Penny... More...
Leonard is invited to Switzerland on Valentine's Day to see the CERN Supercollider, the world's largest and highest-energy particle accelerator, and Sheldon is shocked when Leonard decides to take Penny, making it a romantic Valentine's Day present, instead of him. Sheldon tries several angles in an effort to change Le... More...
Sheldon is suffering from “Theorist’s block†and cannot complete a formula he has been working on for sometime. Taking inspiration from Einstein, who discovered the theory of special relativity while working in a patent office, Sheldon takes a menial job busing tables at the local Cheesecake factory ... More...