You can do it, kid.
3 seconds sound clip from the Finding Nemo movie soundboard.
You can hear this line at 00:49:11 in the Blu-ray version of the movie.
Quote context
[...]
- Wow. How many times have you tried to get out?
- Fish aren't meant to be in a box, kid. It does things to you.
- Potty break! Potty break! He just grabbed the Reader's Digest. We have 4.2 minutes.
- Okay.
- Go on. It'll be a piece of kelp.
- Nicely done. Can you hear me?
- Yeah.
- Now, do you see a small opening?
- Uh-huh.
[...]