
The radio SIGNAL indicated
they were moving. They're around here.
Money Heist Season 3, Episode 7

The SIGNAL turns up in Galicia,
Alicante and even the rest of Europe.
Money Heist Season 3, Episode 5

I'm doing some experiments
to show that the SIGNAL to move a muscle
The Big Bang Theory Season 10, Episode 19

...the dark matter SIGNAL found
in sodium-iodide crystals by the Italians.
The Big Bang Theory Season 2, Episode 15

The point of a secret knock
is to establish a nonverbal SIGNAL...
The Big Bang Theory Season 1, Episode 16