- What the fuck are they doing?
- I'll find out.

3 seconds sound clip from the The Return of the Living Dead (1985) movie soundboard.

You can hear this line at 00:51:06.897 in the Blu-ray version of the movie.

Quote context

[...]

- It's party time! It's party time!

- You have no pulse, your blood pressure's 0 over 0, no pupillary response, no reflexes, your temperature is 70 degrees.

- What does that mean?

- It's a puzzle, because technically, you're not alive. Except you're conscious, so we don't know what it means.

- Are you saying we're dead?

- Let's not jump to conclusions.

- Obviously, I didn't mean you were really dead. Dead people don't move around and talk.

(door banging)

- What the hell is that, Ernie?

- Front door.

- What the fuck are they doing?

- I'll find out.

- Listen we're gonna go get a couple of stretchers. Just hang in there. We won't be a second.

(girl screams)

- Open the door, please.

- Help!

- Hey! Hey! Open the door! Open the door!

- Hurry up!

- Hurry up!

- Freeze, or you're dead!

- Don't shoot, man!

[...]