If the anime was never completed, Then you're in luck. You can continue the story by reading the completed manga. This list has basically the same rules as a couple of my other ones, includes anime originally based on a manga, no...
Due to how rare they have become on the anime dubbing scene nowadays thanks to how outsourcing to Vancouver has become over the years. I decided to make this list that archives the works they have done over the years.
They're ratings should literally definitely be higher AND I would recommend you guys to give these a try!