Must be getting a Wi-Fi SIGNAL
from somewhere else.
The Big Bang Theory Season 8, Episode 22
The SIGNAL for the attack
will be a bonfire.
Game of Thrones Season 4, Episode 1
so coherence would make it
an easier SIGNAL to see.
The Big Bang Theory Season 11, Episode 8
How will we see your SIGNAL?
Game of Thrones Season 3, Episode 3
I'm doing some experiments
to show that the SIGNAL to move a muscle
The Big Bang Theory Season 10, Episode 19