Spoiler ALERT: we don't.
The Big Bang Theory Season 11, Episode 10
- Sorry, let me help you.
- Intruder ALERT.
The Big Bang Theory Season 3, Episode 13
Code red, the hospital emergency ALERT?
The computer worm?
The Big Bang Theory Season 2, Episode 22
We now know
why MasterCard sent me a fraud ALERT.
The Big Bang Theory Season 10, Episode 20
Intruder ALERT. Intruder ALERT.
The Big Bang Theory Season 3, Episode 13