Release Message:  Merlin the Magician proclaims Scrappy King of England when Scrappy pulls a magical sword from a rock. / Shaggy, Scooby, and Scrappy contend with a mischievous leprechaun and a menacing banshee. / The threesome battle sea creatures and an evil Centaur.

Description:  The guys are tanning aboard a cruise ship, when it hits a storm and they are washed overboard and sucked down to Atlantis, where they meet a half-man half-horse called a centaur, who says no one ever leaves Atlantis.