
Spoiler ALERT: brain hemorrhage.
The Big Bang Theory Season 12, Episode 6

I just got an ALERT.
Our flight's been canceled.
The Big Bang Theory Season 8, Episode 22

Amber Alert. Holly White.
Breaking Bad Season 5, Episode 14

Spoiler ALERT: After the monkey sees, it kills.
The Big Bang Theory Season 8, Episode 20

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