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

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

Nope. Pants in the microwave. No NOTEBOOK.
The Big Bang Theory Season 10, Episode 20

slide this NOTEBOOK...
The Big Bang Theory Season 11, Episode 14