Before I left the vault, I fixed things to wreck the Reducer Ray and get rid of that Lane girl.
6 seconds sound clip from Superman (1948) - Between Two Fire (Chapter 10).
You can hear this line at 00:08:19.282 in the Blu-ray version of the episode.
Quote context
[...]
- Better speed up on the work, Dr. Graham. We're impatient to see the result.
- You make with the ray machine, Dr. Graham.
- Before I left the vault, I fixed things to wreck the Reducer Ray and get rid of that Lane girl.
- Well, at least I have sketches and photographs to duplicate it.
- With the parts that Dr. Graham will build for us.
[...]