A good job well-done, gentlemen. Thank you.
3 seconds sound clip from Superman (1948) - Superman In Danger (Chapter 6).
You can hear this line at 00:03:51.408 in the Blu-ray version of the episode.
Quote context
[...]
- 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.
- With Superman under control... the job should be easier.
- We're dealing with the deadliest and most powerful forces. Kryptonite and the reducer ray.
- What scientist would work with us?
- None. Until we work out a plan to get him out of prison.
[...]