- Is somebody in the bathroom?
- No.
- Why is the door shut?
- I don't know.
- You don't?
- Mmm-mmm.
- I don't know.

11 seconds sound clip from the Big Daddy movie soundboard.

You can hear this line at 00:31:06.599 in the Blu-ray version of the movie.

Quote context

[...]

- Before you say anything else, I just want you to know that...

- Look at that. He took his sunglasses off. He wants you to see him. That means he likes you.

- Julian, come here. Come here, pal.

- Vanessa, I want you to meet Julian, my son. Our son. I adopted him.

- I don't know what to say.

- You don't have to say anything.

- Is somebody in the bathroom?

- No.

- Why is the door shut?

- I don't know.

- You don't?

- Mmm-mmm.

- I don't know.

- I can't believe this. Hey! Open up! Hello! Open the door!

- Is everything okay?

- Oh, my God. Man, I'm sorry. I was freaking out there. I'm Sonny.

- Sid.

- Hey, Sid. I had an attack of paranoia. I thought you were sleeping with my girl.

- I am.

- What's that?

- I am.

[...]