We discovered that Retik is planning to lead an invasion from the moon as soon as the saboteurs finish softening up our defenses, and it's up to us to get that information back to Earth.
8 seconds sound clip from the Radar Men from the Moon - Bridge of Death (S1E3) movie soundboard.
You can hear this line at 00:03:37.340 in the Blu-ray version of the movie.
Quote context
[...]
- They've already tracked us halfway to this ship so they know about where we are.
- It's only a question of time until they find us.
- One blast from that ray gun will pop this ship like a toy balloon.
- Maybe we better get back to earth.
- We've accomplished the most important part of our mission.
- Well I've gotta build up the pressure in all the tanks and warm up the jets... Maybe a couple hours.
- Then get started. I'll fly out and scout around until you're ready.
- Scout Seven reporting to headquarters. Scout Seven reporting to headquarters.
- Come in.
- Splendid. I'll send another car out after it at once.
[...]