#1.  Episode: The Bath Item Gift Hypothesis

Sheldon is looking for a x-mas present for Penny which is somewhat a problem because he doesn’t understand Penny and well he is Sheldon! Oh and it has to be the same price as the gift he is about to receive which creates further problems since he has no way of knowing how much Penny will spend, oh boy!. Meanwhile, David Underhill, last year’s McArthur grant award winner arrives at the Physics department at Cal Tech. Not only is he uber smart but he is also really handsome and sexy and drives a motorcycle! “Hubba hubba”, thinks Penny upon meeting him, and decides to pretend to be interested in science to impress him, a fact which drives Leonard up the wall. Oh yeah and Leonard gets run over by the motorcycle… well it falls on him.

Favourite moment: Penny’s Christmas gift to Sheldon

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#2.  Episode: The Pancake Batter Anomaly

It’s the one where Leonard, Howard and Raj go to watch 10 hours of Planet of the Apes to avoid Sheldon. It sounds extreme but Sheldon is sick which means that he is an even bigger pain in the butt than ususal. They very cruelly fail to warn Penny who gets stuck taking care of Sheldon. But Leonard does get his comeuppance when his glasses get shattered and he has to watch a bunch of fuzzy monkeys all night.

Favourite Moment: Sheldon forces Penny to sing Soft Kitty

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#3. Episode: The Einstein Approximation

Sheldon can’t sleep since he is totally preoccupied with solving a physics graphine problem. Of course this means that Leonard and Penny don’t get to sleep either. But Sheldon’s sleep deprivation is making him behave more bizarre than ever. He believes that just like Einstein he needs to get a menial job so that he can start thinking outside the box. Raj is upset because he is not invited to go to a disco roller rink with Howard, Penny, Leonard and Bernadette even though the whole thing was his idea. On the other hand, Penny and Bernadette wish they hadn’t gone.

Favourite moment: “Bazinga!”

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#4. Episode: The Pork Chop Indeterminacy

To their delight Leonard, Howard and Raj discover that Sheldon has a hot twin sister whom he has never mentioned before.  Against Sheldon’s wishes, Leonard invites her to stay with them, which she accepts. Leonard, Howard and even Raj (who is participating in a pharmaceutical study testing a new drug to overcome extreme shyness) are all falling over themselves to get Missy’s attention. Leonard convinces Sheldon, that he needs to act brotherly and look out for Missy’s best interests, using the argument of potential genius offspring. He tries to convince Sheldon that he would be the most suitable boyfriend out of the trio.

Favourite Moment: Leonard, Howard and Raj get introduced to Sheldon’s hot twin sister.

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#5. Episode: The Fuzzy Boots Corollary

Leonard realises that Penny is out of his league and that he needs to move on. He decides to ask out his colleague, Dr. Leslie Winkle instead, who sees the whole thing as part of an experiment she is conducting. In a bizarre and rare moment of insight into the human psyche Sheldon clarifies to Leonard that Penny has not rejected him since Leonard has never asked her out. Leonard Decides to ask Penny out but she takes it the wrong way.

Favourite moment: “I am the sword master”

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