I can't understand why they let you off so easy, but it's very fortunate you came back when you did.

5 seconds sound clip from Radar Men from the Moon - Planned Pursuit (S1E11).

You can hear this line at 00:10:25.829 in the Blu-ray version of the movie.

Quote context

[...]

- Your men are headed out of town on Highway number 19. They are driving at a moderate rate of speed. They should pass the city limits in about five minutes.

- I'll get out there right away.

- Well, I hope it works.

- Good luck.

- You're sure you won't need me?

- No, Ted, but thanks anyway.

- That car turned off, so I guess it wasn't following us. Head for the cave.

- Right.

- I can't understand why they let you off so easy, but it's very fortunate you came back when you did.

- Retik has arrived. He came down in his personal rocket ship. He landed it in the cave in the east side of the old Mount Henry mine.

- I just spoke to him by radio. He wants us to arrange for four more trucks and eight men to operate the ray guns he brought with him.

- -Okay, we'll go to town and get 'em.

- Get those hands higher.

- They're both finished.

- So what do we do now?

[...]