Missy, this is Leonard and Rajesh,
and you've already met Howard.
The Big Bang Theory Season 1, Episode 15
- I'm gonna go home and wash my hair.
- Don't you dare, MISSY.
The Big Bang Theory Season 2, Episode 16
Penny, this is Sheldon's twin sister.
Missy, this is our neighbor Penny.
The Big Bang Theory Season 1, Episode 15
Correction.
Missy can date whoever she wants.
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