Star wars, the clone wars. The complete season four

Summary/Review: The battle to save the galaxy reaches new heights of peril and new depths of darkness. The valiant Jedi Knights and clone troopers defend exotic planets from enemy forces. They wage war underwater, battle across a night-shrouded world, and take on the merciless Death Watch. Our heroes are tested like never before, in 22 episodes produced by George Lucas and Lucasfilm Animation. Includes five video commentaries.