Is you? No sir! That's him! That's him alright!
6 seconds sound clip from the Song of the South (1946) movie soundboard.
You can hear this line at 00:27:56.866 in the Blu-ray version of the movie.
Quote context
[...]
- Uncle Remus, I can't find Johnny no place. And I is supposed to take care of him.
- Well, what do you know about that?
- Why, it's him! It sure is! It ain't nobody else!
- How you like that, Uncle Remus? It's him!
- Is you? No sir! That's him! That's him alright!
- Uh-oh...
- I was just thinking... He's sure gonna catch it when he get home!
- Guess I better take my foot in my hand, Uncle Remus, and get it going.
[...]