Paramount have announced the release of Transformers Animated Vol 6 on DVD within Japan. The DVD will be released on the 21st Jan 2011 for 3129yen. The DVD includes the episode "Mix Master and Scrapper" which has never been shown on Japanese TV. The episode was called "Rise of the Constructicons" in the original English language, for those who don't recognise the name.
You can view an image of the cover below.