- Where's your NOTEBOOK?
- Um, I don't have one.
The Big Bang Theory Season 3, Episode 10
Dreamily doodling
"Mrs. Leonard Hofstadter" in a NOTEBOOK?
The Big Bang Theory Season 4, Episode 9
Where's my NOTEBOOK?
My NOTEBOOK's gone. Oh, no.
The Big Bang Theory Season 10, Episode 20
Like all my underwear, that NOTEBOOK says,
"Property of Sheldon Cooper."
The Big Bang Theory Season 10, Episode 19
The NOTEBOOK isn't in the bathroom.
The Big Bang Theory Season 10, Episode 20