- Good night, sir.
- Good night.
- I'll show you to your room.
- Thank you.

4 seconds sound clip from the The Curse of Frankenstein movie soundboard.

You can hear this line at 00:37:00.842 in the Blu-ray version of the movie.

Quote context

[...]

- I've heard a great deal about you from Baron Frankenstein and I look forward to a talk with you in the morning.

- I shall be delighted.

- I fear we have exhausted the professor.

- No, no, no, no, no. I have enjoyed every minute of this delightful evening. But old age comes not alone.

- Good night, young lady.

- Good night, Professor. I trust that you will sleep well.

- Good night, sir.

- Good night.

- I'll show you to your room.

- Thank you.

- I really am most honored to have you here, sir.

- I'm most grateful to you, my boy. You know, I'm alone in the world. And to be guest in someone's home, especially such a charming home like this with such a wonderful atmosphere, it's very precious to me.

- You are too kind, sir.

- I'd like to show you a painting just before you retire. It's this one at the top of the staircase. It was purchased by my father and illustrates one of the early operations.

- If you step back a little, you'll see it better. Look out, Professor! Look out!

[...]