- Then what good is he to us?
- None. Until we work out a plan to get him out of prison.

Spider Lady (Carol Forman)

6 seconds sound clip from Superman (1948) - Superman In Danger (Chapter 6).

You can hear this line at 00:04:29.987 in the Blu-ray version of the episode.

Quote context

[...]

- A good job well-done, gentlemen. Thank you.

- The kryptonite will be the means of acquiring the secret of the relativity reducer ray. With its concentrated force, it can blast any known target in the world.

- With Superman under control... the job should be easier.

- We're dealing with the deadliest and most powerful forces. Kryptonite and the reducer ray.

- We need scientific help.

- What scientist would work with us?

- Dr. Hackett. But he couldn't keep his genius within the law, and now he's wasting his knowledge in state penitentiary.

- Then what good is he to us?

- None. Until we work out a plan to get him out of prison.

- What's that? A prisonbreak? When did it happen? Is he still at large?

- Okay, I'll put a man on the story right away. Send in Clark Kent.

- Hello, this is Kent. Okay.

- Kent, I have an assignment for you.

- Good.

[...]