Scooby-Doo (film) two telefilm prequels: "Scooby-Doo! The Mystery Begins" and "Scooby-Doo! Curse of the Lake Monster", which both aired on Cartoon Network in 2009 and 2010 respectively. A spin-off film "Daphne & Velma" was released on May 22, 2018, and a reboot will be released on May 15, 2020. Scooby-Doo (film) Scooby-Doo (also known as Scooby-Doo: The Movie) is a 2002 American live-action/computer-animated family adventure film based on the long-running Hanna-Barbera animated television series of the same name. It is the first installment in the "Scooby-Doo" live-action film series, directed by Raja Gosnell, written by James Gunn, and starring Freddie Prinze Jr.,
Scooby-Doo the Night" on a flight to one of the development meetings, and decided to rename the dog "Scooby-Doo" and re-rechristen the show "Scooby-Doo, Where Are You!" The revised show was re-presented to CBS executives, who approved it for production. The first episode of "Scooby-Doo, Where Are You!" "What a Night for a Knight" debuted on the CBS network Saturday, September 13, 1969. The original voice cast featured veteran voice actor Don Messick as Scooby-Doo, radio DJ Casey Kasem (later host of radio's syndicated "American Top 40") as Shaggy, actor Frank Welker (later a veteran voice actor in his own right)