Let's look upstairs.

3 seconds sound clip from the Space Jam movie soundboard.

You can hear this line at 00:43:18 in the Blu-ray version of the movie.

Quote context

[...]

- Come on, come on. We gotta find Michael's basketball stuff.

- Nope. Nothing in here.

- Nope.

- Ah, but a very nice dinette set.

- Uh-uh. Not here.

- Let's look upstairs.

- Yes, oh, fearless leader.

- So he needs his special underwear.

- Oh. Shh.

- Sorry. (3)

[...]