
- Sheldon, are you gonna introduce us?
- Oh, all right. This is Missy.
The Big Bang Theory Season 1, Episode 15

Bye, Missy, see you.
The Big Bang Theory Season 1, Episode 15

So, Missy, what brings you
all the way from Texas?
The Big Bang Theory Season 1, Episode 15

If we're gonna fight over Missy,
let's do it the right way.
The Big Bang Theory Season 1, Episode 15

Penny, this is Sheldon's twin sister.
Missy, this is our neighbor Penny.
The Big Bang Theory Season 1, Episode 15