-We're starting to triangulate the SIGNAL.
-Like a mobile phone?
Money Heist Season 3, Episode 5
When Mance gives the SIGNAL
and we hit Castle Black,
Game of Thrones Season 3, Episode 7
I'm doing some experiments
to show that the SIGNAL to move a muscle
The Big Bang Theory Season 10, Episode 19
-perhaps we could come up with a SIGNAL!
The Big Bang Theory Season 10, Episode 16
And when we give the SIGNAL,
bring us back down.
Game of Thrones Season 4, Episode 9