You go on Space Mountain,
you're in the DARK, she's holding onto you.
The Big Bang Theory Season 6, Episode 18
and DARK things will come with it.
Game of Thrones Season 1, Episode 3
...and I'm DARK on the outside.
The Big Bang Theory Season 8, Episode 24
It's-it's like finding
DARK matter,
The Big Bang Theory Season 11, Episode 10
It's DARK out and he's
alone, I don't like it.
The Big Bang Theory Season 7, Episode 24