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: Heroines
26. One Piece: Jango no Dance Carnival
27. One Piece: Karakurijou no Mecha Kyohei
28. One Piece: Mamore! Saigo no Dai Butai
29. One Piece: Mezase! Kaizoku Yakyuu Ou
30. One Piece: Nejimaki Jima no Daibouken
31. One Piece: Nenmatsu Tokubetsu Kikaku! Mugiwara no Luffy Oyabun Torimonochou
32. One Piece: Norowareta Seiken
33. One Piece: Omatsuri Danshaku to Himitsu no Shima
34. One Piece: Umi no Heso no Daibouken-hen
35. One Piece: Yume no Soccer Ou!
36. One Pound Gospel
37. One Punch Man
38. One Punch Man 2nd Season
39. One Punch Man 3
40. One Punch Man: Road to Hero
41. Onihei
42. Oniichan no Koto Nanka Zenzen Suki Janain Dakara ne!!
43. Oniisama e...
44. Onsen Yousei Hakone-chan
45. Ookami Kakushi
46. Ookami Kodomo no Ame to Yuki
47. Ookami Shoujo to Kuro Ouji
48. Ookami Shoujo to Kuro Ouji OVA
49. Ookami Shoujo to Kuro Ouji Recap
50. Ookami to Koushinryou
51. Ookami to Koushinryou II
52. Ookami to Koushinryou II: Ookami to Kohakuiro no Yuuutsu
53. Ookami to Koushinryou: Merchant Meets the Wise Wolf
54. Ookami-san to Shichinin no Nakama-tachi
55. Ookamikakushi
56. Ookiku Furikabutte
57. Ookiku Furikabutte: Kihon no Kihon
58. Ookiku Furikabutte: Natsu no Taikai-hen
59. Ookiku Furikabutte: Natsu no Taikai-hen – Mokuhyou
60. Oomuro-ke: Dear Friends
61. Oomuro-ke: Dear Sisters
62. Ooyasan wa Shishunki!
63. Orange
64. Orange: Mirai
65. Ore dake Level Up na Ken
66. Ore dake Level Up na Ken Season 2: Arise from the Shadow
67. Ore Monogatari!!
68. Ore no Imouto ga Konnani Kawaii Wake ga Nai
69. Ore no Imouto ga Konnani Kawaii Wake ga Nai Specials
70. Ore no Imouto ga Konnani Kawaii Wake ga Nai.
71. Ore no Imouto ga Konnani Kawaii Wake ga Nai. Specials
72. Ore-tachi ni Tsubasa wa Nai: Under the Innocent Sky.
73. Orient
74. Orient: Awajishima Gekitou-hen
75. Oruchuban Ebichu
76. Osake wa Fuufu ni Natte kara
77. Osomatsu-kun (1988)
78. Osomatsu-san
79. Osomatsu-san 2nd Season
80. Osomatsu-san 3rd Season
81. Osomatsu-san 4th Season
82. Osomatsu-san 4th Season: The Matsuno Ten
83. Osomatsu-san: Ouma de Kobanashi
84. Otaku no Video
85. Otogi Story Tenshi no Shippo
86. Otome Nadeshiko Koi Techou
87. Otonari no Tenshi-sama ni Itsunomanika Dame Ningen ni Sareteita Ken
88. Otonari no Tenshi-sama ni Itsunomanika Dame Ningen ni Sareteita Ken 2
89. Ouran Koukou Host Club
90. Ousama Game The Animation
91. Ousama Ranking
92. Ousama Ranking: Yuuki no Takarabako
93. Over Drive
94. Overlord
95. Overlord II
96. Overlord III
97. Overlord IV
98. Overlord Movie 3: Sei Oukoku-hen
99. Owari no Seraph
100. Owarimonogatari
101. Owarimonogatari 2nd Season