
Four women walk down the stairs.
How many reach the lobby?
The Big Bang Theory Season 4, Episode 19

Four.
Game of Thrones Season 1, Episode 4

Four, three, two, one.
The Big Bang Theory Season 8, Episode 22

Four thousand dollars, worth every penny.
The Big Bang Theory Season 10, Episode 15

Code FOUR. I need a gurney.
The Big Bang Theory Season 1, Episode 16