- Well, where is the dog?
- He's... He's dead.
- But how?
- I don't know.
- Where?
- I don't remember.

19 seconds sound clip from the The Mummy (1932) movie soundboard.

You can hear this line at 00:55:38.640 in the Blu-ray version of the movie.

Quote context

[...]

- My dog! Wolfram! Wolfram! Where is he?

- Helen, where have you been? We've been so worried. We've hunted everywhere.

- In the museum again?

- Yes.

- Muller's down in the Arab quarter now.

- Well, if I must give an explanation, it was stuffy in here. I can't be shut up all the time.

- Besides, I don't like the feeling that I'm always being watched. I took the dog with me.

- Well, where is the dog?

- He's... He's dead.

- But how?

- I don't know.

- Where?

- I don't remember.

- But I can see it now, standing on poor Wolfram's back, a white cat.

- A white cat? The cat goddess, Bast.

- Yes, there was a statue of Bast.

- The goddess of evil sendings!

- Just what happened? Try to remember, Helen.

- I don't want to remember. Besides, I don't see that it's any affair of yours.

- Oh, but it is.

[...]