Inuyasha, Black Lagoon, Love Hina, Tsubasa Resuvior Chronical, OutLaw Star, Najika Blitz Tactics, Spiral (since they never trully explain the blade children), Fate Stay Night, Maison Ikkoku, Cyotye Ragtime, Mouse, Stellvia, Fruits Basket (I mean come on they didn't even get to all the zodiac), Steam Detectives, Those Who Hunt Elves, and several hundred others that either didn't end on a conclusion or with several questions unanswered.
