Up, up and away.
2 seconds sound clip from Superman (1948) - Superman In Danger (Chapter 6).
You can hear this line at 00:02:42.178 in the Blu-ray version of the episode.
Quote context
[...]
- See what happens in Superman in Danger! Chapter Six of Superman at this theater next week.
- Lois tries unsuccessfully to stop the men. And now, as they flee leaving her in deadly peril...
- Again, Superman makes use of his x-ray vision.
- Superman, how can I ever thank you?
- Don't try now. You'll be seeing me again.
- Stop kidding, I'm not in the mood for fun.
- This kryptonite is supposed to handle him.
- Look, it works. The kryptonite can stop Superman.
- A good job well-done, gentlemen. Thank you.
[...]