Watch The Big Bang Theory Season 1 Episode 15 online via TV Fanatic with over 1 options to watch the The Big Bang Theory S1E15 full episode. Affiliates with free and paid streaming include iTunes.

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Episode Details

The guys meet Sheldon's extremely attractive twin sister Missy (Courtney Henggeler) who is in town for a wedding.


Rating: 3.3 / 5.0 (3 Votes)
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15

The Big Bang Theory Season 1 Episode 15 Quotes

Sheldon: You see, I'm a superior genetic mutation, an improvement on the existing mediocre stock.
Missy: And what do you mean, "mediocre stock?"
Sheldon: That would be you

Leonard: So, how do you two know each other?
Missy: He once spent nine months with my legs wrapped around his head.
Leonard: Excuse me?
Sheldon: She's my twin sister. She thinks she's funny, but frankly, I've never been able to see it.
Missy: That's because you have no measurable sense of humor, Shelly.
Sheldon: How exactly would one measure a sense of humor? A "humormometer?"