
Ooh, are-are you gonna
write it on a NAPKIN
The Big Bang Theory Season 12, Episode 17

Okay, all I'm giving you is the NAPKIN,
Sheldon.
The Big Bang Theory Season 2, Episode 11

What NAPKIN?
The Big Bang Theory Season 12, Episode 17

- That's actually my NAPKIN.
- Oh, this is a nightmare.
The Big Bang Theory Season 4, Episode 23

If you like, starting tomorrow
I'll add a guest NAPKIN...
The Big Bang Theory Season 3, Episode 5