Anyway, he swam out in the open water to this boat and when he was out there these divers appeared and I tried to stop them.
8 seconds sound clip from the Finding Nemo movie soundboard.
You can hear this line at 00:56:21 in the Blu-ray version of the movie.
Quote context
[...]
- I live on this reef, a long, long way from here.
- Oh, boy. This is gonna be good. I can tell.
- The boat was too fast, so we swam out in the ocean...
- Then Nemo's dad, he swims out to the ocean and they bump into three ferocious sharks.
- He scares away the sharks by blowing them up.
[...]