- I can't get at him behind that rock.
- Then hit the cliff above him and bring it down on him.

4 seconds sound clip from Radar Men from the Moon - Battle in the Stratosphere (S1E9).

You can hear this line at 00:12:47.498 in the Blu-ray version of the movie.

Quote context

[...]

- Well this is it, folks, we've gotta turn back and land before we're clear outta fuel.

- Rocket's coming in again. Get set for it. This time, wait till it gets so close you can't miss.

- Draw the ray gun on him!

- Forget him, get the rocket. It's almost down.

- Now what?

- We gotta get Cody first, give it a blast.

- I can't get at him behind that rock.

- Then hit the cliff above him and bring it down on him.

- That get him?

- Can't tell.

- But we missed the rocket, it's already landed on the other side of the hill.

- Maybe we can blast them before they get a chance to unload.

- No, there'll be too many guards there, we might lose the ray gun. We'd better pull outta here.

[...]