Nerds on a Mission

Nerds on a Mission

The men have a mission on the episode "The Zarnecki Incursion." They must find the person who hacked into Sheldon's online game account.
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Big Bang Guest Stars

Big Bang Guest Stars

That's Katee Sackhoff and that's George Takei. Both guest star as themselves on the episode "The Hot Troll Deviation."
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Feelin Good

Feelin Good

Science pays off for Wolowitz on the season four premiere. He gets some solid use out of his robotic arm.
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Nerdy Flashback

Nerdy Flashback

A flashback to the nerds when they first met playing Gamecube together.
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Penny Bowling

Penny Bowling

Poor Penny attempts to go bowling as Raj and Wolowitz watch on and drool.
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Bernadette at Lunch

Bernadette at Lunch

Bernadette (Melissa Rauch) joins the guys for lunch at work as she begins to bond with Leonard over his work.
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Wolowitz Confronts Leonard

Wolowitz Confronts Leonard

Wolowitz confronts Leonard when he gets jealous over his friend bonding with his girlfriend, Bernadette.
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Howard Wolowitz Sings

Howard Wolowitz Sings

Who knew Wolowitz could sing and play the keyboard? Well soon Bernadette will know.
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Howard Visits Bernadette

Howard Visits Bernadette

Howard Wolowitz comes to visit his new girlfriend, Bernadette (Melissa Rauch) at the Cheesecake Factory. He's desperate to keep her.
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Wolowitz and Bernadette Kiss

Wolowitz and Bernadette Kiss

Wolowitz is desperate to try and keep his new girlfriend, Bernadette (Melissa Rauch) that Penny introduced him to.
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Raj Tells Ghost Stories

Raj Tells Ghost Stories

Raj attempts to scare the guys with a ghost story but they look a little more bored than scared.
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The Guys Look Scared

The Guys Look Scared

Leonard, Raj and Wolowitz are definitely not the manliest of men. Here they are a little scared on their camping trip.
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TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

Penny, there's only one cookie with something in the middle that solves life's problems, and that's an Oreo. Or a Nutter Butter, if you're in a pinch.

Sheldon