I got the season 1 DVDs, and just want to say that the best extra is the 12-page comic bundled with it. it's a Chick Tract spoof titled The Good Morty. here's the official web version of the last page: http://www.thegoodmorty.com/
Was a really long wait but very well worth it, didn't expect to release on April fools day though. Turns out the episode 2 would be coming out in summer. This episode was just to trick people into not believing it since it was on April fools day and airing instead of usual samurai jack.