Scooby-Doo! Mystery Incorporated is the eleventh incarnation of Hanna-Barbera's Scooby-Doo series of Saturday morning cartoons. The series is produced by Warner Bros. Animation and is a reboot of the original series. This is the first Scooby-Doo series without the original producers, William Hanna and Joseph Barbera. It is also the first series in the franchise with Shaggy voiced by Matthew Lillard, who portrayed the character in both live-action films, Scooby-Doo (2002) and Scooby-Doo 2: Monsters Unleashed (2004). Casey Kasem (the original Shaggy) remains present in this series by voicing Shaggy's father. Scooby-Doo! Mystery Incorporated premiered on Cartoon Network on July 12, 2010 and airs new episodes every Monday at 7 pm ET (11 pm UTC). A special sneak peek episode, which also serves as the pilot, was aired on April 5, 2010. Also unlike other mystery solving related Scooby-Doo shows, this series has founded its primary antagonist known as The Freak of Crystal Cove in season 1 and Nibiru in season 2.