Currently you are able to watch "Overlord" streaming on Hulu, Crunchyroll, Funimation Now or for free with ads on Crunchyroll, Tubi TV. It is also possible to buy "Overlord" as download on Amazon Video, Apple TV, Microsoft Store, Google Play Movies.
In the year 2138, virtual reality gaming is booming. Yggdrasil, a popular online game is quietly shut down one day. However, one player named Momonga decides to not log out. Momonga is then transformed into the image of a skeleton as "the most powerful wizard." The world continues to change, with non-player characters (NPCs) beginning to feel emotion. Having no parents, friends, or place in society, this ordinary young man Momonga then strives to take over the new world the game has become.