We all know what happened between Penny and Raj on the season four finale. Here they are on the ssason five premiere.
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Bernadette reacts to the news here. Yes, Raj did Penny!
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Cheers to a new set up. Raj moves in with Sheldon on the season finale of The Big Bang Theory.
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Kunal Nayyar stars as Raj on The Big Bang Theory. He cracks us up each week on that CBS smash.
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Koothrappali is living in a fantasy world. It's bad because he's dancing there with his best friend's gal.
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A flashback to the nerds when they first met playing Gamecube together.
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Poor Penny attempts to go bowling as Raj and Wolowitz watch on and drool.
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We never thought we'd see the day when Sheldon and Raj go to a University mixer together and meet some ladies, Martha (Jen Drohan) and Abby (Danica McKellar).
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TBBT Quotes

Raj: Well, to paraphrase Shakespeare: It's better to have loved and lost than to stay home every night and download increasingly shameful pornography.
Penny: Oh... you poor baby.
Raj: What's wrong with me, Penny?
Penny: Nothing, nothing. You know, if we weren't friends - and you hadn't brought up that creepy pornography story - I'd be on you like the speed of light squared on matter to make energy.
Raj: Hey, you totally got that right. E = MC squared.
Penny: I listen. I have no idea what it means, but I listen.

Sheldon: I recently read that during World War Two, Joseph Stalin had a research program to create supersoldiers by having women impregnated by gorillas.
Howard: What a sick use of science.
Raj: Hey, as long as the baby's healthy.
Amy: I wonder if Stalin considered any other animals.
Leonard: Hippos are the deadliest creature. A half-human, half-hippo soldier would be pretty badass.
Howard: Yes, but when they're hungry-hungry, you can stop them with marbles.
Sheldon: Yeah, the correct animal for interspecies supersolider is koala. You would wind up with an army so cute it couldn't be attacked.