Board Thread:Legitimate Canon Questions/@comment-76.79.68.70-20150208001026/@comment-4091815-20150208002035

They usually release a few weeks to a month before the new season debuts. That would place the release for Season 4 in May/Early June 2015. It is available for pre-order on Amazon and all the episodes are available in US now on Amazon and iTunes as well as the MTV Teen Wolf site - http://www.mtv.com/shows/teen_wolf/video/full-episodes/