I tell you, I came face to face with them.

3 seconds sound clip from the It Came from Outer Space movie soundboard.

You can hear this line at 00:49:40.027 in the Blu-ray version of the movie.

Quote context

[...]

- They didn't, by any chance, tell you what they wanted?

- They want us to trust them. To believe that Frank and George are in no danger as long as we don't interfere with them. To give them time! Time!

- Did it occur to you that you might be gambling with their lives?

- Yeah, what do you think you were doing when you refused to believe me?

- Frank and George, that's crazy.

- I tell you, I came face to face with them.

- But how could they take over anyone else's form?

- And where's the real Frank and George?

- I don't know.

- And why would they want to do that? Why?

- Maybe to move about freely. To come into town without being stopped.

- So they steal a telephone truck, something that'll stick out like a torch. Now, does that make sense?

- It might. Suppose they wanted electrical equipment. That truck was loaded with it.

[...]