In the same way, fairy tales are not just for kids, animation is exclusive for them. While most animation is created for children in mind, there are some great stories told with animation that are worth giving an opportunity. The following list will show us some series that deal with mature topics and are meant to be enjoyed by adults.
Infinite train
This series follows Tulip who, after she runs away from home, finds herself in an apparently infinite train. Along with some new friends she makes in the train, she must find a way to better herself in order to leave the train, otherwise she will be stuck forever. The series touches on heavy topics and mental and physical problems that the characters might be dealing with. This series follows a different character each new season.
The Midnight Gospel
The Midnight Gospel is a Netflix TV series that deals with heavy topics such as drugs, religion, death, etc. All of this from a surrealistic animation and story line. The story follows Clancy Gilroy, as he travels through planets looking for guests to interview for his space cast.
Love, Death, and Robots
Love, Death, and Robots is an animation anthology series which varies in style and storyline. No story is the same. The stories are usually in the genre of science fiction, fantasy, comedy, horror, and much more. It is important to mention that regardless of the topic, usually the stories do have mature topics and scenes.
Over the Garden Wall
Over the Garden Wall is an animated miniseries which follows the half-brothers, Wirt and Greg as they travel a seemingly supernatural forest looking for a way to get back home. As they travel the forest they start to realize that something is out to get them, and the longer they stay in the forest, the more changes it has to get them.