You mean to tell me that this thing is a peach?

3 seconds sound clip from the James and the Giant Peach (1996) movie soundboard.

You can hear this line at 01:06:11.534 in the Blu-ray version of the movie.

Quote context

[...]

- So kind of you to look after our little lost lamb.

- Who are you?

- We are the boy's legal guardians.

- And we've missed him so much.

- So we'll just take him home now.

- And the peach, of course. We're taking that as well.

- Wait a minute. Wait, wait, wait. Back up.

- You mean to tell me that this thing is a peach?

- It's not a peach. It's our peach.

- Our peach.

- Show him, Spongy.

- Yes.

- Looks like it's their peach, all right.

- Yes, and we're very proud of it.

- We're going to be in the record books.

- It's not their peach! The old man gave the green things to me. That's what made it grow.

[...]