
The NOTEBOOK isn't in the bathroom.
The Big Bang Theory Season 10, Episode 20

- Where's your NOTEBOOK?
- Um, I don't have one.
The Big Bang Theory Season 3, Episode 10

I did it with you
when we rented The Notebook.
The Big Bang Theory Season 4, Episode 9

Okay, it's just a NOTEBOOK.
What's the big deal?
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