The Big Bang Theory Season 10, Episode 9

His eyes also light up in the dark. (LAUGHS)

Money Heist Season 1, Episode 6

And you lately just see\Nthe dark side of everything.

The Big Bang Theory Season 2, Episode 15

...the dark matter signal found in sodium-iodide crystals by the Italians.

The Big Bang Theory Season 8, Episode 6

<i>Yes, it's dark as a dungeon Way down in the mines</i>

Game of Thrones Season 3, Episode 8

I hated the idea of him lying awake in the dark, afraid.