No anime list would be complete without a film from the anime wizard himself, Hayao Miyazaki. Princess Mononoke follows the story of a young prince looking for a cure to a curse from a demon. Following similar tropes from other Miyazaki's films, Princess Mononoke deals with the environment and humanity's impact upon nature. As always, the Miyazaki produces top tier animation, which is accompanied by an English dub that was adapted by Fantasy writer Neil Gaiman, known for his Sandman comic series. If you're watching any anime films from the 90s, Princess Mononoke should be at the top of your list.