<Li> Daniel Riordan as The Specter (voice) </Li> <P> Filming took place in Vancouver, British Columbia, Canada, including Templeton Secondary School from August 4, 2008 . Cartoon Network's content advisor Rob Sorcher had said, "This contemporary take on Scooby - Doo will be an exciting movie event on Cartoon Network . This project is also an anchor component of our new push into movies, our great partnership with Warner Premiere and the overall expectation of Cartoon Network programming efforts . The trailer for Scooby - Doo! The Mystery Begins was first seen on the DVD of Scooby - Doo! and the Samurai Sword, 17 Again and Shorts . </P> <P> Scooby - Doo! The Mystery Begins is the most - watched telecast in Cartoon Network history with 6.1 million viewers on September 13, 2009, outdistancing the previous high of 3.9 million viewers that tuned into the premiere of the animated series Star Wars: The Clone Wars . </P> <P> Due to the success of Scooby - Doo! The Mystery Begins, a sequel went into development in October 2009 . Titled Scooby - Doo! Curse of the Lake Monster, principal photography commenced on March 15, 2010 in various locations around Southern California . The sequel aired on October 16, 2010 and was released on DVD in 2011 . </P>

Scooby doo the mystery begins you and i