
Bye, Penny. Have fun.
The Big Bang Theory Season 2, Episode 11

...while Penny is out with Dr. Apu
from the Kwik-E-Mart?
The Big Bang Theory Season 2, Episode 4

Sorry I'm late,
but I was in the hallway, chatting up Penny.
The Big Bang Theory Season 1, Episode 2

Penny, wait. Aah.
The Big Bang Theory Season 3, Episode 2

- You're gonna have sex with Penny.
- That's not what I was gonna tell you.
The Big Bang Theory Season 3, Episode 15