What we want to know from you is, what makes it tick?

6 seconds sound clip from the The Cat from Outer Space (1978) movie soundboard.

You can hear this line at 00:11:34.286 in the Blu-ray version of the movie.

Quote context

[...]

- Ladies and gentlemen, what you are about to see is top secret.

- The United States government will countenance no leaks.

- Now.

- What's holding it up?

- Nothing.

- It's amazing.

- Where did you get it?

- What is it?

- A propulsion unit of some sort, ladies and gentlemen. Never mind where we got it. We have other experts working on that.

- What we want to know from you is, what makes it tick?

- OK. Let's have your hypothesis.

- Uh, the energy source could be atomic.

- We've checked on that. Negative.

- Direct conversion, utilizing thermionic...

- Checked out. Negative.

- Oh.

- It's not propelled by garbage, I know that.

[...]