- I know there's something out there.
- Sure, like the invisible Martian?

7 seconds sound clip from the The Angry Red Planet movie soundboard.

You can hear this line at 00:29:37 in the Blu-ray version of the movie.

Quote context

[...]

- Sorry about the sound effects.

- Aw, forget it, Irish.

- This crazy silence and lack of movement's gotten us all.

- It doesn't make any sense. Something has got to move.

- What's the matter? Ears twitch?

- Aw, just a hunch.

- Yeah? What?

- I know there's something out there.

- Sure, like the invisible Martian?

- Are you certain the outside mics are on?

- Full volume.

- You know, the atmosphere is very rare. It wouldn't conduct sound too well.

- Of course. That might also explain why the plants don't move. No breeze.

- I wonder... Could it be... intentional?

[...]