Initially aired in theaters. Later released as specials bundled with the Blu-ray and DVD volumes of Overlord Movies 1 and 2.
Up to EP 12The Squid GirlAnime
Up to EP 1The Life of Budori GusukoAnime
Up to EP 51Hana yori DangoAnime
Up to EP 1Macross Frontier: The Wings of FarewellAnime
Up to EP 8Overlord: Ple Ple PleiadesAnime
Up to EP 1Beyond the Boundary: I'll Be Here - FutureAnime
Up to EP 13Happy☆Lesson AdvanceAnime
Up to EP 25Phi Brain: Kami no PuzzleAnime
Up to EP 10Masuda Kousuke Gekijou: Gag Manga Biyori 2Anime
Up to EP 26Arc the LadAnime
Up to EP 1Hikaru no Go: New Year SpecialAnime
Up to EP 12Shichisei no SubaruAnime