- Johnny!
- Yes, mama.

5 seconds sound clip from the Song of the South (1946) movie soundboard.

You can hear this line at 01:04:54.554 in the Blu-ray version of the movie.

Quote context

[...]

- He needs something to hold on to.

- Well, he has his mother and his grandmother.

- We're not enough, Sally. The boy must have friends. And if it's not Uncle Remus, or the Favers children, then it must be someone else. Someone of his own age.

- That's just good common sense.

- What you tracking through here for anyway? Ain't I done told you about messing around my kitchen?

- Johnny!

- Yes, mama.

- Do you know what next Tuesday is?

- Of course. My birthday.

- That's right, dear. And what happens then?

- I get presents.

- And a birthday party. Would you like that?

- A party? Sure!

- With lots of nice little boys and girls.

- Can I ask Ginny?

- Well, there'll be so many other children, dear...

- That one more won't make any difference.

[...]