The boys head to a comic book convention dressed as Star Trek: The Next Generation characters on The Big Bang Theory. "The Bakersfield Expedition" is the 13th episode of the show's sixth season.
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The Big Bang Theory Season 6 Episode 13 Quotes

Oh, this is the best. You have booze with breakfast on a Tuesday, you have a problem. You do it on the weekend, you have brunch.

Penny

Penny: Damn. You have more make-up than I do. You've got better make-up than I do. Yep, I'm borrowing ing this.
Leonard: Hey, hey, hey. This is my comic con make-up. I love you, but there are some things a man doesn't share with his girlfriend.