
Leslie Winkle.
The Big Bang Theory Season 1, Episode 13

It's Leslie Winkle, Penny.
She belittles my research.
The Big Bang Theory Season 2, Episode 2

Dr. Cooper, Dr. Winkle apologizes.
The Big Bang Theory Season 2, Episode 3

- What about Leslie Winkle?
- Oh, no.
The Big Bang Theory Season 2, Episode 2

No, it's Leslie Winkle. It's a long story.
The Big Bang Theory Season 2, Episode 16