You plotted to bring Superman to you to destroy him with the kryptonite. And you failed. I'll perfect a death weapon that will go to Superman.
7 seconds sound clip from Superman (1948) - Superman To The Rescue (Chapter 8).
You can hear this line at 00:04:41.354 in the Blu-ray version of the episode.
Quote context
[...]
- That's a big order, since the government is guarding it.
- That wouldn't stop the Spider Lady.
- She's a dangerous opponent while she holds the kryptonite.
- Your method of using the kryptonite against Superman is clumsy and stupid.
- No doubt you have a better method, Dr. Hackett.
- No, I haven't yet, but I hope to.
- That would be interesting. If you can do it.
- How would you like to get away from her?
- I can help you scram out of here for a price.
- What if I did escape? I'd still be running away from the police. No. I'm safe here.
- If you'll excuse me, I must go down to the lower cave to get some materials.
[...]