Professor, this a full report on the asteroid that's heading to the Earth. We completed it a few minutes ago.
6 seconds sound clip from Superman (1948) - The Reducer Ray (Chapter 3).
You can hear this line at 00:12:02.822 in the Blu-ray version of the episode.
Quote context
[...]
- Our New Mexico men were wiped out.
- The Reducer Ray is the greatest force the world has ever known. I intend to capture it.
- If he interferes, I'll find a way to destroy him.
- Hold page one for possible re-plate. City desk...
- What does it all add up to, Morgan?
- Ordinary? I doubt that. Its behavior's been very strange.
- What is its present location?
- Approximately 30000 miles away.
- As near as we can calculate, it should strike our atmosphere in about 10 hours.
- Oh. That would be about 8 tonight.
[...]