All six episodes in HD (10 discs) bundled together in one boxed set. The Extended Edition includes over two hours of extra material not aired on Antietam Cable. That's over 16 hours of programming!
Extended Edition set also includes a map of Washington County showing the areas visited in the series as well as a Bonus Disc that contains a special featurette, bloopers and 3D photographs from the Civil War (3D glasses included!).