Warner Bros. has announced that Legion of Super Heroes - Volume Three will be released on September 9. There is not very much information on this release yet but it is known that the single disc will include five episode. If this volume follows the same pattern as the last two, the five episodes will wrap up the first season in order of airdate.
Possible episodes: Substitute, Child's Play, Chain of Command, Sundown, Part One, Sundown, Part Two
The picture above is a hint of who will be introduced in this volume!