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Episode Details

On The Big Bang Theory Season 9 Episode 6, Sheldon and Leonard venture into the black market when a helium shortage impacts one of their experiments.

Rating: 2.8 / 5.0 (155 Votes)
The Big Bang Theory
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The Big Bang Theory Season 9 Episode 6 Quotes

Bernadette: You know who went on a date the other night? Stewart.
Penny: Oh, good for him.
Bernadette: I thought so too.
Penny: So is she like, homeless or framing him for a crime?

Raj: Why do you need Kripke? Can't you just go to Party City for helium?
Leonard: We'd have to go to every Party City in California.
Howard: Sounds like you on Cinco de Mayo.
Raj: Hey, people were still talking about that party on Siete de Mayo.