Scooby-Doo! and the Samurai Sword is the thirteenth of a series of direct-to-video animated films based upon the Scooby-Doo Saturday morning cartoons. In the United States, the DVD sold 163,890 units in its first week and as of January 2014, it has sold approximately 524,725 units. It is the last direct-to-video Scooby-Doo film to use the bright animation style keen to What's New, Scooby-Doo? TV series, also Casey Kasem's last appearance as the original voice of Shaggy Rogers before retiring due to declining health.