
I don't know the PROTOCOL.
The Big Bang Theory Season 10, Episode 13

...scientifically valid PROTOCOL
that will make our lives better?
The Big Bang Theory Season 3, Episode 3

- What's the matter?
- I don't know what the PROTOCOL is here.
The Big Bang Theory Season 1, Episode 5

Once red PROTOCOL is activated,
nobody, and I mean nobody,
Money Heist Season 3, Episode 3

...PROTOCOL dictates that be phrased,
"Fine, sir."
The Big Bang Theory Season 2, Episode 23