I'm no stranger to
a little GRAY matter.
The Big Bang Theory Season 5, Episode 16
in the GRAY waste you call home.
Game of Thrones Season 1, Episode 7
And, sadly, so many of us get to try
so little before we're old and GRAY.
Game of Thrones Season 3, Episode 7
to spell "GRAY" with an "a"
like an American.
The Big Bang Theory Season 12, Episode 9
Black plus white makes GRAY.
Hence Gray Matter Technologies.
Breaking Bad Season 5, Episode 15