Jimmy, you're taking an awful chance.
2 seconds sound clip from Superman (1948) - Superman's Dilemma (Chapter 11).
You can hear this line at 00:13:01.047 in the Blu-ray version of the episode.
Quote context
[...]
- If you'll check with Perry White at the Daily Planet, he'll verify my story.
- The judge will take care of that. He's out to lunch right now.
- Oh, pretty soon. He doesn't take more than a couple hours to eat.
- This is swell. When they come, I'll be in this case. Get them to sign a receipt if you can.
- Right.
- Jimmy, you're taking an awful chance.
- Why can't you and I follow them in the car?
- But once I'm in this case on their truck, I can watch just what route they take.
- Come in.
- Good.
[...]