Garfield: A Tail of Two Kitties

From Garfield Wiki

Garfield: A Tail of Two Kitties is a motion picture to be released in 2006, and is based of the comic strip Garfield. It is a sequel to the 2004 film Garfield. It will be directed by Tim Hill.

The plot is based on Mark Twain's The Prince and the Pauper: Garfield travels to London and manages to trade roles with a rich, English, fat, orange cat named Prince.