- There was a chemical. It was some chemical that soaked into the soil of the graveyard and made the corpses come back to life.
- Yeah? What fucking chemical?
- I don't know what chemical, goddamn it!

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

You can hear this line at 00:58:34.970 in the Blu-ray version of the movie.

Quote context

[...]

- Buddy, are you all right?

- It hurts.

- What did you do to Freddy? What's wrong with him? And this man?

- You know, I think it's time you tell us what the fuck's going on.

- I don't have to tell you anything, dick brain.

- We think you should.

- Tell them, goddamn it!

- Tell us!

- There was a chemical. It was some chemical that soaked into the soil of the graveyard and made the corpses come back to life.

- Yeah? What fucking chemical?

- I don't know what chemical, goddamn it!

- It was ordered by the military, I think. I think it was.

- Would you mind telling me me how the fuck did it get all over the graveyard?

- I don't know. I just...

- All I know is that it was stored over at the medical supply warehouse where you were, and these two geniuses managed to open the goddamn container and let the son of a bitch out. Let 'em out!

- Is that why Freddy's sick?

[...]