During the Credits
At the beginning of the credits of Flushed Away, there’s a short additional scene featuring Sid. Throughout the rest of the credits, various slugs do a bunch of different wacky things, including blowing raspberries, jumping, singing, and dancing. At the very end, it says “No slugs were a-salted during the making of this film.”
After the Credits
There are no extras after the credits of Flushed Away.