I really liked this movie as a child, but after I grew up and watched the movie again, I saw that it sucks!
For me, the thing that weighs most in the film is the animation, I think it's because of my age, but I can't watch the film without feeling uncomfortable, the animation has something that causes this to me, maybe it's the low budget it took the quality of the animation is strange and not very fluid.
Another thing that also weighs a lot is the Brazilian dubbing (yes, I watched it dubbed in Portuguese), it is very well done in terms of voices, but the mix leaves a lot to be desired, maybe I should get the English version to better evaluate this..