I wonder what that stool pigeon is doing now.
2 seconds sound clip from Superman (1948) - Superman In Danger (Chapter 6).
You can hear this line at 00:06:29.460 in the Blu-ray version of the episode.
Quote context
[...]
- And Kent... I don't have to tell you what it means to the paper if we can catch Dr. Hackett.
- Oh, I'm on my way to make with the story.
- Aw, that'll make fine copy. Good luck.
- But you must have heard of Dr. Hackett.
- I tell you, I don't know any doctor.
- I'd pay a lot for information about him where he's hiding and so on.
- Oh, so you do know something about him.
- I wonder what that stool pigeon is doing now.
- I tell you I don't know nothing, so I can't tell you nothing.
- Hawkins? Were you talking to Clark Kent?
- Why, didn't you know he'd escaped from the pen?
- So that's it. Clark thought you might know where Hackett is. Do you?
- I was thinking about getting something to eat.
- I'll buy you the best meal you ever had. Come on, we'll take my car.
- Okay.
[...]