Season 5 The adventures of the noble, generous, intelligent and good-at-everything I.M. Weasel, who must compete once again with his arch-enemy, the bumbling, brainless and utterly talentless I.R. Baboon. Details Casts Galleries Posters Season Lists Episode Lists Title Season 5 Genres Animation Comedy Kids Air Date 1999-07-22 Episode Runtime 00 Hours 07 Minutes Season Number 5 Episode Count On Season 5 27 Production Companies Hanna-Barbera Productions Michael Dorn... I.M. Weasel (voice)... Charlie Adler... I.R. Baboon / Red Guy (vo... Original Size (3840x2160) Original Size (1600x900) Original Size (2000x3000) Original Size (1155x1733) Original Size (2000x3000) Season 1 13 Episode(s) 1997-07-22 Season 2 13 Episode(s) 1998-01-13 Season 3 13 Episode(s) 1998-07-21 Season 4 13 Episode(s) 1998-11-24 Season 5 27 Episode(s) 1999-07-22 Episode 1 1999-07-22 I Are Terraformer... Episode 2 1999-07-22 I Am Viking... Episode 3 1999-07-22 The Drinking Fountain of ... Episode 4 1999-07-29 Leave it to Weasel... Episode 5 1999-07-29 The Fairy Godfather... Episode 6 1999-07-29 I Are Robin Hood... Episode 7 1999-08-05 The Incredible Shrinking ... Episode 8 1999-08-05 Baboon Man & Weasel Boy... Episode 9 1999-08-05 I.M.N. Love... Episode 10 1999-08-12 I.R.'s First Bike... Episode 11 1999-08-12 The Sorcerer's a Dentist... Episode 12 1999-08-12 The Wrong Bros.... Episode 13 1999-08-19 I Am Cave Weasel... Episode 14 1999-08-19 My Blue Hiney... Episode 15 1999-08-19 Mission: Stupid... Episode 16 1999-08-26 Back to School... Episode 17 1999-08-26 I Are a Artiste... Episode 18 1999-08-26 Fred: Last of the Idiots... Episode 19 1999-09-02 I Are Bellhop... Episode 20 1999-09-02 Take I.R. Out to the Ball... Episode 21 1999-09-02 I Bee Weasel... Episode 22 1999-09-09 I Am Franken-Weasel... Episode 23 1999-09-09 A Troo Storee... Episode 24 1999-09-09 Rodeo Weasel... Episode 25 1999-09-16 The Legend of Big Butt... Episode 26 1999-09-16 I Am Dragon Slayer... Episode 27 1999-09-16 I Are Legend...