- Good night, Mom.
- Good night, darling.

3 seconds sound clip from the The Best Years of Our Lives (1946) movie soundboard.

You can hear this line at 00:27:32.135 in the Blu-ray version of the movie.

Quote context

[...]

- Rob, haven't you any homework?

- Oh, sure.

- Good night, Dad.

- Don't see why you have to go now, just when we...

- Rob, aren't you going to take the souvenirs father brought you?

- Oh, yes. Gee, thanks an awful lot, Dad, for these things.

- Good night. See you in the morning.

- Good night, Mom.

- Good night, darling.

- Nice to have you around, Dad. You'll get us back to normal.

- Or maybe go nuts myself.

- What do you think of the children?

- The children? I don't recognize them. They've grown so old.

- I tried to stop them, to keep them just as they were when you left, but they got away from me.

- I guess Peggy has a lot of boyfriends.

- She's very popular.

- Is she concentrating on anyone particular?

- She hasn't told me of anyone.

- But you've told her all the things she ought to know?

- What, for instance?

- Well, have you?

[...]