The following anime aired in 2008.
| Title | Type | Year | Avg | Rank | Want to Watch | Watching | Dropped | Status Eps |
|---|---|---|---|---|---|---|---|---|
| Penguin no Mondai | TV | 2008 | 1.43 | 4,790 | 80 | 31 | 40 | |
| Amatsuki | TV | 2008 | 3.15 | 2,165 | 1,811 | 676 | 460 | |
| Nijuu-Mensou no Musume | TV | 2008 | 3.88 | 823 | 1,983 | 436 | 234 | |
| Chiko, Heiress of the Phantom Thief | TV | 2008 | 3.88 | 823 | 1,983 | 436 | 234 | |
| Daughter of Twenty Faces | TV | 2008 | 3.88 | 823 | 1,983 | 436 | 234 | |
| xxxHOLiC Kei | TV | 2008 | 4.42 | 96 | 3,708 | 497 | 118 | |
| Junjou Romantica | TV | 2008 | 4.32 | 202 | 1,377 | 566 | 403 | |
| Wagaya no Oinari-sama | TV | 2008 | 3.42 | 1,658 | 1,745 | 518 | 330 | |
| Our Home's Fox Deity | TV | 2008 | 3.42 | 1,658 | 1,745 | 518 | 330 | |
| Kyoran Kazoku Nikki | TV | 2008 | 3.36 | 1,761 | 1,400 | 443 | 328 | |
| Kaiba | TV | 2008 | 4.17 | 375 | 1,810 | 215 | 205 | |
| Soul Eater | TV | 2008 | 4.3 | 221 | 5,813 | 6,474 | 2,302 | |
| Crystal Blaze | TV | 2008 | 2.13 | 4,032 | 951 | 200 | 300 | |
| Glass Maiden | TV | 2008 | 2.13 | 4,032 | 951 | 200 | 300 | |
| Golgo 13 TV | TV | 2008 | 3.17 | 2,130 | 880 | 483 | 309 | |
| Da Capo II Second Season | TV | 2008 | 3.63 | 1,267 | 2,209 | 130 | 103 | |
| Himitsu: The Revelation | TV | 2008 | 3.17 | 2,137 | 793 | 122 | 119 | |
| Yu-Gi-Oh! 5D's | TV | 2008 | 2.77 | 2,893 | 985 | 1,548 | 999 | |
| Allison and Lillia | TV | 2008 | 3.46 | 1,583 | 1,524 | 425 | 440 | |
| Blassreiter | TV | 2008 | 2.74 | 2,947 | 1,641 | 507 | 883 | |
| Psychic Squad | TV | 2008 | 3.43 | 1,637 | 1,755 | 332 | 253 | |
| Zettai Karen Children | TV | 2008 | 3.43 | 1,637 | 1,755 | 332 | 253 | |
| Zenryoku Usagi | TV | 2008 | 2.21 | 3,892 | 109 | 38 | 29 | |
| Telepathy Shoujo Ran | TV | 2008 | 2.62 | 3,182 | 761 | 182 | 194 | |
| Chocolate Underground | TV | 2008 | 2.18 | 3,945 | 641 | 112 | 145 | |
| Sekirei | TV | 2008 | 3.79 | 977 | 3,545 | 871 | 700 | |
| Slayers Revolution | TV | 2008 | 3.8 | 961 | 1,694 | 304 | 161 | |
| Strike Witches TV | TV | 2008 | 3.23 | 2,021 | 2,193 | 488 | 572 | |
| Zero no Tsukaima: Princess no Rondo | TV | 2008 | 4.07 | 517 | 2,782 | 644 | 256 | |
| The Familiar of Zero: Princess no Rondo | TV | 2008 | 4.07 | 517 | 2,782 | 644 | 256 | |
| Natsume Yuujinchou | TV | 2008 | 4.36 | 158 | 3,519 | 794 | 310 | |
| Hidamari Sketch x 365 | TV | 2008 | 4.11 | 467 | 959 | 135 | 52 | |
| Antique Bakery | TV | 2008 | 3.21 | 2,058 | 1,288 | 294 | 346 | |
| Nogizaka Haruka no Himitsu | TV | 2008 | 3.83 | 918 | 3,281 | 540 | 396 | |
| Ryoko's Case File | TV | 2008 | 3.36 | 1,763 | 755 | 97 | 75 | |
| Yakushiji Ryoko no Kaiki Jikenbo | TV | 2008 | 3.36 | 1,763 | 755 | 97 | 75 | |
| Tetsuwan Birdy Decode | TV | 2008 | 3.86 | 857 | 1,955 | 402 | 267 | |
| Birdy the Mighty Decode | TV | 2008 | 3.86 | 857 | 1,955 | 402 | 267 | |
| Koihime Musou | TV | 2008 | 2.86 | 2,722 | 2,267 | 381 | 387 | |
| Ikkitousen: Great Guardians | TV | 2008 | 3.12 | 2,217 | 2,693 | 244 | 193 | |
| Blade of the Immortal | TV | 2008 | 3.07 | 2,323 | 1,940 | 759 | 549 | |
| Mugen no Juunin | TV | 2008 | 3.07 | 2,323 | 1,940 | 759 | 549 | |
| Yatterman (2008) | TV | 2008 | 1.94 | 4,305 | 300 | 96 | 57 | |
| RD Sennou Chousashitsu | TV | 2008 | 3.12 | 2,230 | 848 | 170 | 236 | |
| Real Drive | TV | 2008 | 3.12 | 2,230 | 848 | 170 | 236 | |
| Battle Spirits: Shounen Toppa Version | TV | 2008 | 2.66 | 3,104 | 196 | 22 | 11 | |
| Mach Girl | TV | 2008 | 2.18 | 3,952 | 92 | 11 | 5 | |
| Earl and Fairy | TV | 2008 | 3.65 | 1,235 | 2,670 | 500 | 415 | |
| Hakushaku to Yousei | TV | 2008 | 3.65 | 1,235 | 2,670 | 500 | 415 | |
| Toradora! | TV | 2008 | 4.51 | 41 | 5,375 | 2,505 | 865 | |