Scooby's Luck of the Irish A leprechaun gives the gang all sorts of hell in this adventure. Details Casts Galleries Posters Season Lists Title Scooby's Luck of the Irish Genres Animation Mystery Comedy Family Kids Release Date 1981-10-03 Episode Runtime 00 Hours 30 Minutes Season Number 3 Episode Number 9 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