Excalibur Scooby Scooby pulls out the magical sword of Excalibur and he is made ruler. Details Casts Galleries Posters Season Lists Title Excalibur Scooby Genres Animation Mystery Comedy Family Kids Release Date 1981-09-26 Episode Runtime 00 Hours 30 Minutes Season Number 3 Episode Number 5 Production Companies Hanna-Barbera Productions, Ruby-Spears Enterprises Casey Kasem... Shaggy Rogers (voice)... Don Messick... Scooby-Doo / Scrappy-Doo ... Original Size (1920x1080) Original Size (1920x1080) Original Size (2000x3000) Original Size (960x1440) Original Size (1000x1426) Original Size (600x900) Original Size (600x900) Season 1 16 Episode(s) 1979-09-22 Season 2 39 Episode(s) 1980-11-08 Season 3 21 Episode(s) 1981-09-19 Season 4 39 Episode(s) 1982-09-25