Initiating
general shutdown PROTOCOL.
Westworld Season 2, Episode 7
and establishes
a sort of handshake PROTOCOL.
Westworld Season 2, Episode 8
Social PROTOCOL does, however...
The Big Bang Theory Season 4, Episode 22
Red PROTOCOL, sealing the doors.
I repeat,
Money Heist Season 3, Episode 3
Implementing
power-failure PROTOCOL.
The Big Bang Theory Season 5, Episode 15