Does NASA know you're using that thing
as a NAPKIN holder?
The Big Bang Theory Season 4, Episode 1
The famous NAPKIN
The Big Bang Theory Season 12, Episode 24
trying to make sense of it.
That NAPKIN.
Breaking Bad Season 4, Episode 7
What NAPKIN?
The Big Bang Theory Season 12, Episode 17
Yeah, he's writing it on
a NAPKIN like in the movies.
The Big Bang Theory Season 12, Episode 17