
that can SIGNAL brain damage.
The Big Bang Theory Season 10, Episode 16

Yeah, I've got a SIGNAL.
Breaking Bad Season 2, Episode 9

Cut me in half and I won't be
able to give the SIGNAL.
Game of Thrones Season 2, Episode 9

When Mance gives the SIGNAL
and we hit Castle Black,
Game of Thrones Season 3, Episode 7

so coherence would make it
an easier SIGNAL to see.
The Big Bang Theory Season 11, Episode 8