- If I help you, can we get out that way?
- Fire... beyond bend.

5 seconds sound clip from Superman (1948) - Depths Of The Earth (Chapter 2).

You can hear this line at 00:14:19.659 in the Blu-ray version of the episode.

Quote context

[...]

- I showed the young lady how to get in the mine, and now I'm afraid she's trapped.

- He must mean Lois. You know the place he means?

- Listen, this old coot's been reportin' fake accidents for years. Don't pay any attention to him.

- Get out before I run you in.

- I'll check, just in case.

- Hey, you, wait a minute. Can you take me to that place you were talking about?

- Oh, sure, I can. They think I'm crazy. Come on, I'll show you.

- If I help you, can we get out that way?

- Fire... beyond bend.

- How about... way you came in?

- No chance. The shaft caved in.

- She went in there, and everything caved in.

- Is this the place that leads to where the men are trapped?

- Well, there's a shaft that'll lead down to that level.

- But that's what the young lady was headed for.

[...]