Sezon 5
Bölümler
1 I Are Terraformer 22 Tem 1999 
2 I Am Viking 22 Tem 1999 
3 The Drinking Fountain of Youth 22 Tem 1999 
4 Leave it to Weasel 29 Tem 1999 
5 The Fairy Godfather 29 Tem 1999 
6 I Are Robin Hood 29 Tem 1999 
7 The Incredible Shrinking Weasel 5 Ağu 1999 
8 Baboon Man & Weasel Boy 5 Ağu 1999 
9 I.M.N. Love 5 Ağu 1999 
10 I.R.'s First Bike 12 Ağu 1999 
11 The Sorcerer's a Dentist 12 Ağu 1999 
12 The Wrong Bros. 12 Ağu 1999 
13 I Am Cave Weasel 19 Ağu 1999 
14 My Blue Hiney 19 Ağu 1999 
15 Mission: Stupid 19 Ağu 1999 
16 Back to School 26 Ağu 1999 
17 I Are a Artiste 26 Ağu 1999 
18 Fred: Last of the Idiots 26 Ağu 1999 
19 I Are Bellhop 2 Eyl 1999 
20 Take I.R. Out to the Ballgame 2 Eyl 1999 
21 I Bee Weasel 2 Eyl 1999 
22 I Am Franken-Weasel 9 Eyl 1999 
23 A Troo Storee 9 Eyl 1999 
24 Rodeo Weasel 9 Eyl 1999 
25 The Legend of Big Butt 16 Eyl 1999 
26 I Am Dragon Slayer 16 Eyl 1999 
27 I Are Legend 16 Eyl 1999