Completed Anime O

1. Oda Cinnamon Nobunaga
2. Oda Nobuna no Yabou
3. Odd Taxi
4. Okusama wa Joshikousei (TV)
5. Omiai Aite wa Oshiego, Tsuyoki na, Mondaiji.
6. Omoide Poroporo
7. One Outs
8. One Piece (Movie)
9. One Piece Movie 14: Stampede
10. One Piece 3D2Y: Ace no shi wo Koete! Luffy Nakama Tono Chikai
11. One Piece 3D: Mugiwara Chase
12. One Piece Fan Letter
13. One Piece Film: Gold
14. One Piece Film: Red
15. One Piece Film: Strong World
16. One Piece Film: Strong World Episode 0
17. One Piece Film: Z
18. One Piece: Chinjuujima no Chopper Oukoku
19. One Piece: Dead End no Bouken
20. One Piece: Episode of Alabaster - Sabaku no Ojou to Kaizoku Tachi
21. One Piece: Episode of Chopper Plus - Fuyu ni Saku, Kiseki no Sakura
22. One Piece: Episode of Luffy - Hand Island no Bouken
23. One Piece: Episode of Sabo - 3 Kyoudai no Kizuna Kiseki no Saikai to Uketsugareru Ishi
24. One Piece: Glorious Island
25. One Piece: Jango no Dance Carnival
26. One Piece: Karakurijou no Mecha Kyohei
27. One Piece: Mamore! Saigo no Dai Butai
28. One Piece: Mezase! Kaizoku Yakyuu Ou
29. One Piece: Nejimaki Jima no Daibouken
30. One Piece: Nenmatsu Tokubetsu Kikaku! Mugiwara no Luffy Oyabun Torimonochou
31. One Piece: Norowareta Seiken
32. One Piece: Omatsuri Danshaku to Himitsu no Shima
33. One Piece: Umi no Heso no Daibouken-hen
34. One Piece: Yume no Soccer Ou!
35. One Pound Gospel
36. One Punch Man
37. One Punch Man 2nd Season
38. One Punch Man 3
39. One Punch Man: Road to Hero
40. Onihei
41. Oniichan no Koto Nanka Zenzen Suki Janain Dakara ne!!
42. Oniisama e...
43. Onsen Yousei Hakone-chan
44. Ookami Kakushi
45. Ookami Kodomo no Ame to Yuki
46. Ookami Shoujo to Kuro Ouji
47. Ookami Shoujo to Kuro Ouji OVA
48. Ookami Shoujo to Kuro Ouji Recap
49. Ookami to Koushinryou
50. Ookami to Koushinryou II
51. Ookami to Koushinryou II: Ookami to Kohakuiro no Yuuutsu
52. Ookami to Koushinryou: Merchant Meets the Wise Wolf
53. Ookami-san to Shichinin no Nakama-tachi
54. Ookamikakushi
55. Ookiku Furikabutte
56. Ookiku Furikabutte: Kihon no Kihon
57. Ookiku Furikabutte: Natsu no Taikai-hen
58. Ookiku Furikabutte: Natsu no Taikai-hen – Mokuhyou
59. Oomuro-ke: Dear Friends
60. Oomuro-ke: Dear Sisters
61. Ooyasan wa Shishunki!
62. Orange
63. Orange: Mirai
64. Ore dake Level Up na Ken
65. Ore dake Level Up na Ken Season 2: Arise from the Shadow
66. Ore Monogatari!!
67. Ore no Imouto ga Konnani Kawaii Wake ga Nai
68. Ore no Imouto ga Konnani Kawaii Wake ga Nai Specials
69. Ore no Imouto ga Konnani Kawaii Wake ga Nai.
70. Ore no Imouto ga Konnani Kawaii Wake ga Nai. Specials
71. Ore-tachi ni Tsubasa wa Nai: Under the Innocent Sky.
72. Orient
73. Orient: Awajishima Gekitou-hen
74. Oruchuban Ebichu
75. Osake wa Fuufu ni Natte kara
76. Osomatsu-kun (1988)
77. Osomatsu-san
78. Osomatsu-san 2nd Season
79. Osomatsu-san 3rd Season
80. Osomatsu-san 4th Season
81. Osomatsu-san: Ouma de Kobanashi
82. Otaku no Video
83. Otogi Story Tenshi no Shippo
84. Otome Nadeshiko Koi Techou
85. Otonari no Tenshi-sama ni Itsunomanika Dame Ningen ni Sareteita Ken
86. Ouran Koukou Host Club
87. Ousama Game The Animation
88. Ousama Ranking
89. Ousama Ranking: Yuuki no Takarabako
90. Over Drive
91. Overlord
92. Overlord II
93. Overlord III
94. Overlord IV
95. Overlord Movie 3: Sei Oukoku-hen
96. Owari no Seraph
97. Owarimonogatari
98. Owarimonogatari 2nd Season