6.5 0Add to favorites 0Add to Watchlist 0Add as SeenThe Other Sister(Feb. 26, 1999) Feb. 26, 1999 6.5 The Other Sister IMDb: 6.5 1999 130 min 272 views A mentally challenged girl proves herself to be every bit as capable as her “perfect” sister when she moves into an apartment and ... ComedyDramaRomance