15 Disney Movie Mistakes Only Superfans Would Notice

14. The Fish That Defy Science

Film: Finding Nemo When the fish from the fish tank in the dentist's office escape in their plastic bags full of water, they shouldn't actually float when they reach the sea. They're now in salt water and they should be sinking in their bags, or the bags floating above the surface should look a lot more squashed than they are. Which is also not to mention the fact that they somehow managed to cross a busy road without anyone noticing or squashing them...