The captain has turned off
the fasten seat belt SIGN.
The Big Bang Theory Season 7, Episode 17
I was trying to help you,
and at the first SIGN of trouble...
The Big Bang Theory Season 8, Episode 6
I speak SIGN language,
I don't read minds.
The Big Bang Theory Season 5, Episode 4
Well, there's no SIGN
of stroke or seizure.
Breaking Bad Season 2, Episode 3
Vikings Season 1, Episode 1