The first details on the upcoming Blu-Ray/DVD release of The Clone Wars Season 4 have emerged. Below is the official announcement:

Executive Producer George Lucas and Lucasfilm Animation present Star Wars: The Clone Wars The Complete Season Four. 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 as Anakin is haunted by the realities of his past, Ahsoka fights to free her people and an undercover Obi-Wan braves a deadly bounty hunter tournament. Season Four culminates with the shocking return of a villain from the past: the ruthless Darth Maul, who will stop at nothing to achieve vengeance. The epic action, timeless characters, and sense-shattering sights and sounds of Star Wars surge on in Star Wars: The Clone Wars The Complete Season Four.

Special Features:
22 Adventure-Packed Episodes

5 Video Commentaries

Exclusive to Blu-ray for a Limited Time: Jedi Temple Archives: Extensive Database of Early Test Animations, Concept Art & 3-D Turnarounds

Also announced was the release date, which like all the other Seasons sets, will be in October. 10/23/12

Needles to say, this set will be a must buy for all Clone Wars fans!