
Be ALERT, Tokyo.
Money Heist Season 1, Episode 1

Alert level 5.
The CNI's security system is down.
Money Heist Season 3, Episode 4

Intruder ALERT. Intruder ALERT.
Intruder ALERT.
The Big Bang Theory Season 3, Episode 13

Red ALERT. Leonard, Sheldon ran away.
The Big Bang Theory Season 3, Episode 1

We now know
why MasterCard sent me a fraud ALERT.
The Big Bang Theory Season 10, Episode 20