These shorts, included in the Blu-ray and DVD releases, take place in a timeline with multiple Umaru-chans.
Up to EP 13Vandread: The Second StageAnime
Up to EP 1Bleach the Movie: The DiamondDust RebellionAnime
Up to EP 1Kamisama Hajimemashita: Kamisama, Shiawase ni NaruAnime
Up to EP 12Selector Spread WIXOSSAnime
Up to EP 13D.C.II: Da Capo IIAnime
Up to EP 13Tari TariAnime
Up to EP 12Dimension WAnime
Up to EP 12Planet WithAnime
Up to EP 1Persona 3 the Movie 1: Spring of BirthAnime
Up to EP 1Fairy Tail the Movie 2: Dragon CryAnime
Up to EP 1Shakugan no Shana MovieAnime
Up to EP 73Cat's EyeAnime