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 13MitsudomoeAnime
Up to EP 1Tistou the Green ThumbAnime
Up to EP 1Rec: YurusarezarumonoAnime
Up to EP 25Kuroko's Basketball 2Anime
Up to EP 24Full Metal Panic!Anime
Up to EP 1Carnival Phantasm EX SeasonAnime
Up to EP 1Tomorrow's Joe The MovieAnime
Up to EP 14Lord Marksman and Vanadis: Tigre and VanadishAnime
Up to EP 10Sparrow's HotelAnime
Up to EP 26Major S2Anime
Up to EP 2Mobile Suit Gundam AGE: Memory of EdenAnime
Up to EP 12Butlers x BattlersAnime