Gramercy Pictures has released more preview clips of its upcoming computer generated, animation movie Ratchet And Clank. The movie is base on a popular Sony PlayStation game of the same name. It tells the tale of two unlike heroes trying to stop a vile enemy named Chairman Drek (Paul Giamatti) from destroying every planets in the Solana Galaxy. Ratchet (James Arnold Taylor) is the last of his kind. Clank (David Kaye) is a tiny brainiac robot. The two friends stumbled upon a lethal weapon that could destroy the entire galaxy. Together they joined forces with a team of motley crew heroes that call themselves Galactic Rangers to save the planets. Other stars that lend their voice to this film include Sylvester Stallone as Victor Von Ion, John Goodman as Grimroth and Rosario Dawson as Elaris. Ratchet And Clank opens in theatres on April 29th. Check out the clips below.