Marlin: Now it's my turn. I'm thinking of something dark and mysterious. It's a fish we don't know. If we ask it directions, it could ingest us and spit out our bones.
Dory: What is it with men and asking for directions?
Marlin: I don't want to play the gender card right now. You want to play a card, let's play the "let's not die" card.
When the dentist wants to put Nemo in a bag, he has a Ziploc (a plastic bag with a zipper) but when he finally catches him, it has changed to a normal plastic bag.
In the waiting room of the dentist office, you can see a Buzz Lightyear action figure lying on the floor.