
Look how GRAY you've gotten.
The Big Bang Theory Season 7, Episode 13

I'm no stranger to
a little GRAY matter.
The Big Bang Theory Season 5, Episode 16

Black plus white makes GRAY.
Hence Gray Matter Technologies.
Breaking Bad Season 5, Episode 15

Oh, yeah! That's a good-looking baby
for a little GRAY blob.
The Big Bang Theory Season 10, Episode 4

Black plus white makes GRAY.
Hence Gray Matter Technologies.
Breaking Bad Season 5, Episode 15