Broadcast date
2001-10-02 • 51 episodes
A white ermine, known in Japan as an okojo, Okojo-san lives at an exotic pet store run by a greedy manager until one day he escapes. In the chaos following, he ends up unconscious in a garbage can, where college student Haruka Tsuchiya finds him. Mistaking him for a ferret, Tsuchiya takes Okojo home with him. At the Shiawase apartment complex, Okojo meets other pets, including the gerbil Chorori, and the various eccentric human tenants. With his friends, Okojo struggles to adapt to life with humans, vacuum cleaners, and all the other things that come with human society. The comedy is largely reliant on absurdity and Okojo's tendency towards melodrama.
Episodes of this season
1. Okojo-san has arrived!/Okojo-san goes to the hospital
event 2001-10-02 • schedule 25m
2. Okojo-san's Shiawase-sou adventure/Laughing Saeki
event 2001-10-09 • schedule 25m
3. Okojo's grave/The enemy is a cleaning machine
event 2001-10-16 • schedule 25m
4. Kojopii goes to paradise/Kojopii's campus life
event 2001-10-23 • schedule 25m
8. The fantastic hiking/Cosmos-hata's Tsukahara
event 2001-11-20 • schedule 25m
9. Life with Kojopii/There is paradise in Kotatsu
event 2001-11-27 • schedule 25m
10. Yuki, Yuuta and Karaage/Leader Okojo! Appearance Chapter
event 2001-12-04 • schedule 25m
12. Battle! Christmas tree/Kojopii's Merry Christmas
event 2001-12-18 • schedule 25m
13. Test for Leader Okojo!/Tsuchiya returns home
event 2001-12-25 • schedule 25m
16. The mystery of the missing drawing/Choruri's happiness
event 2003-01-22 • schedule 25m
17. Choruri VS Watabokori/Leader Kojopii! Battle Chapter
event 2003-01-29 • schedule 25m
18. Hari-nezumi is high-class?/Mayumi's love letter battle
event 2003-02-05 • schedule 25m
19. Mayumi's love letter battle/Save Itachi household!
event 2003-02-12 • schedule 25m
20. Tsukahara, day of dreams/Leader Kojopii! Duty Chapter
event 2003-02-19 • schedule 25m
21. Mystery of Ferret/Kojopii becomes a father
event 2003-02-26 • schedule 25m
22. Let's grow it! Seed of dreams/Kojopii flies in the sky
event 2003-03-05 • schedule 25m
23. Kojopii is trapped/Motemote's condition
event 2003-03-12 • schedule 25m
25. Leader Kojopii! Counterattack Chapter/Under the cherry blossoms
event 2003-03-26 • schedule 25m
27. Kojuru goes to Shiawase-sou/Leader Okojo! New school term Chapter
event 2003-04-09 • schedule 25m
28. Tsubame is being targeted!/Kojuru's favourite thing?
event 2003-04-16 • schedule 25m
29. Ojuko and Granny/Leader Okojo! Hospitalised Chapter
event 2003-04-23 • schedule 25m
30. Death match! Carp's streamer/I want to meet my idol!
event 2003-04-30 • schedule 25m
31. Kagaku-kun's terrifying experiment/Leader Okojo! Teaching Chapter
event 2003-05-07 • schedule 25m
32. Being a mangaka is tiring/Hide-and-seek competition
event 2003-05-14 • schedule 25m
33. Miyu is a great trimmer?/Leader Okojo! Prosperity Chapter
event 2003-05-21 • schedule 25m
34. The lost wild nature/Yearning of humans
event 2003-05-28 • schedule 25m
35. I cannot say "Thank you"/Leader Okojo! Home visit Chapter
event 2003-06-04 • schedule 25m
36. Kagaku-kun's second challenge/Okojo VS Mecha-Okojo
event 2003-06-11 • schedule 25m
37. Kojuru and Choruri/Leader Okojo! Purchasing department Chapter
event 2003-06-18 • schedule 25m
38. Mayumi's date battle/Tsukahara's Okojo cut
event 2003-06-25 • schedule 25m
39. A wish upon a star/Leader Okojo! Pool Chapter
event 2003-07-02 • schedule 25m
40. Kojopii's return of kindness/Mayumi's pair-look battle
event 2003-07-09 • schedule 25m
41. Leader Okojo! Seaside School Chapter/Part-time Panic
event 2003-07-16 • schedule 25m
42. Poolside crisis!/Tsuchiya dances in delusion
event 2003-07-23 • schedule 25m
43. Colorful Kojopii/Leader Okojo! Guide to life Chapter
event 2003-07-30 • schedule 25m
44. Tacchin, a start in love/Kojoru, why are you white?
event 2003-08-06 • schedule 25m
45. I am Kojopii?/Hasegawa, afternoon times
event 2003-08-13 • schedule 25m
46. Tacchin's love and hatred/Heart-throbbing panic
event 2003-08-20 • schedule 25m
47. Yearning for Okojo/Leader Okojo! Summer holiday Chapter
event 2003-08-27 • schedule 25m
48. Choruri's marriage/Mecha-Okojo's counterattack
event 2003-09-03 • schedule 25m
49. I like you! Tsuchiya/Leader Okojo! Sports meet Chapter
event 2003-09-10 • schedule 25m
50. Warm Kojoru/Leader Okojo! Finale Chapter
event 2003-09-17 • schedule 25m
51. Shiawase-sou's Okojo-san
End of season • event 2003-09-24 • schedule 25m
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This season's cast
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