Okay so apparently this was news near the end of May, but I've only just now stumbled upon it

Star Wars: The Clone Wars The Complete Season Two will be available October 26 for the suggested retail price of $44.98 for DVD and $59.99 for Blu-ray.

Special Features:
Star Wars: The Clone Wars The Complete Season Two is presented in widescreen with English, Spanish and French 5.1 DTS audio and English, French and Spanish subtitles. Bonus features include:

Behind-The-Scenes Featurettes on each disc:
- Attack of the Zillo Beast
- Magic of the Holocron
- Return to Geonosis
- Creating Mandalore
- 64-page production journal that includes early sketches, artist notes and concept art from Season Two of Star Wars: The Clone Wars
- Blu-ray Exclusive -- The Jedi Temple Archives
-- An extensive database exploring special effects footage, early concept art, 3-D character and object turnarounds and early animation. The Archives is a rare look at the assets in various stages of creation for The Clone Wars, with a wealth of surprises and never-before seen moments sprinkled throughout
Box art:

More here