Original "chibi" styled animations of Imouto sae Ireba Ii. posted on the anime's official Twitter channel. Also included on the BD/DVD releases.
Up to EP 12Croisée in a Foreign Labyrinth The AnimationAnime
Up to EP 10Flying Witch PetitAnime
Up to EP 12Hamatora The AnimationAnime
Up to EP 1Detective Conan Movie 06: The Phantom of Baker StreetAnime
Up to EP 1Bleach the Movie: The DiamondDust RebellionAnime
Up to EP 12WorldEnd: What do you do at the end of the world? Are you busy? Will you save us?Anime
Up to EP 6Yuki Yuna is a Hero: The Hero ChapterAnime
Up to EP 26Hell Girl: Two MirrorsAnime
Up to EP 6The Silver Guardian 2Anime
Up to EP 2xxxHOLiC RouAnime
Up to EP 13The Pilot's Love SongAnime
Up to EP 12The World God Only Knows IIAnime