I'd have to say Gunslinger Girl. I guess the shock effect of little girls train to kill wore off after seeing it done in a handfull of other animes. The plot seems frozen for afew episodes, but then takes the turn I knew it would(no I didn't watch the whole series, I got bored of it. FAST). Even gave it a second chance to watch more with my sister, but even she a person who dosen't watch anime alot said it was dull and lifeless. Much like Henrietta! ZING.
I would say berserk as well, because the ending cuts off at the climax. Sure the manga gose on in the story, but you don't tell such a epic story to leave it hanging at the good part! :cry: Bah i'm torn in half, love and hate for it.
Inuyasha just because its dbz for GIRLS! Sure its mind numbing enough to watch for awhile,but its annoying how they let the bad guy get away every damn time! Sesshoumaru is the only redeeming quality of the show. :smile: