The Grim Adventures of Billy and Mandy The exploits of the Grim Reaper, who has been forced into being the best friend of two children. A spin-off of the show Grim & Evil. Details Casts Videos Galleries Posters Season Lists Title The Grim Adventures of Billy and Mandy Genres Animation Comedy Kids First Air Date 2001-08-24 Last Air Date 2007-11-09 Episode Runtime 00 Hours 11 Minutes Total Season(s) 7 Total Episode(s) on All Seasons 184 Runtime 11 Production Companies Cartoon Network Studios Greg Eagles... Grim (voice)... Richard Steven Horvitz... Billy (voice)... Grey DeLisle... Mandy (voice)... Vanessa Marshall... Irwin (voice)... GRIM ADVENTURE OF BILLY & MANDY - Trailer (Trailer) Original Size (3840x2160) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (1344x756) Original Size (1280x720) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (680x1000) Original Size (2000x3000) Original Size (1000x1426) Original Size (2000x3000) Original Size (1708x2562) Original Size (1200x1600) Original Size (720x1080) Original Size (720x1069) Original Size (2000x3000) Original Size (2000x3000) Season 1 23 Episode(s) 2001-08-24 Season 2 26 Episode(s) 2003-06-13 Season 3 32 Episode(s) 2004-06-11 Season 4 24 Episode(s) 2005-02-25 Season 5 11 Episode(s) 2005-07-29 Season 6 24 Episode(s) 2006-01-06 Season 7 21 Episode(s) 2006-06-06