Scooby-Doo and the Goblin King (2008)

Scooby-Doo and Shaggy must go into the underworld ruled by the Goblin King in order to stop a mortal named The Amazing Krudsky who wants power and is a threat to their pals, Fred, Velma and Daphne.

Director: Joe Sichta

Cast: Frank Welker, Casey Kasem, Grey Griffin, Mindy Cohn, Wayne Knight, Wallace Shawn, Hayden Panettiere, Tim Curry, Jim Belushi, Larry Joe Campbell, Lauren Bacall, Jay Leno, Thom Adcox-Hernandez, Russi Taylor