Pretty soon the dentist will have to clean the tank himself.
4 seconds sound clip from the Finding Nemo movie soundboard.
You can hear this line at 00:39:46 in the Blu-ray version of the movie.
Quote context
[...]
- Me?
- Yeah.
- You're the only one who can get in and out of that thing.
- What we need you to do, is to take a pebble inside there and jam the gears.
- You do that and this tank's going to get filthier and filthier by the minute.
- Pretty soon the dentist will have to clean the tank himself.
- And when he does, he'll take us out of the tank, put us in individual baggies...
- I.
- I think you're nuts. (SIGHS)
[...]