Now that Retik's dead, we feel sure there's no immediate danger of any enemy invasion from the moon. And we'll have time to build an adequate defense.
8 seconds sound clip from Radar Men from the Moon - Death of the Moon Man (S1E12).
You can hear this line at 00:11:56.525 in the Blu-ray version of the movie.
Quote context
[...]
- Should be here by now. Go out to the mine entrance and see if there's any sign of them.
- Yes sir.
- You take that tunnel, I'll take this one!
- He's getting away in his rocket! Let's get to the truck!
- Will you want us to make another trip to the moon to see what's going on?
- That might be pretty hard to control.
- No, I've got it all figured out. Stand back, please.
[...]