It's safe enough for you now, Mr. Kent. The danger has passed.
4 seconds sound clip from Superman (1948) - A Job For Superman (Chapter 5).
You can hear this line at 00:09:28.904 in the Blu-ray version of the episode.
Quote context
[...]
- But I don't know where it is.
- But you were there, you just said so.
- But I couldn't see, I was blindfolded all the time, and when they brought me out, I was unconscious.
- Sorry, but I'm not gifted that way.
- Well, it's too bad. It was a great opportunity to rid society of the Spider Lady.
- Maybe Clark and I can find her, chief.
- Clark Kent couldn't find his way in out of the rain.
- It's safe enough for you now, Mr. Kent. The danger has passed.
- Well, I'm glad to see you unharmed, Lois.
- I let Jimmy use the car while I phoned the police.
- That's one way of avoiding danger.
- Oh, don't be like that, Lois. Clark did the best he could.
- Perhaps.
- While you were out looking for help, Superman came to my rescue.
[...]