The Librarians: The Next Chapter

A Librarian -- a custodian of a magical repository of the world's most powerful and dangerous supernatural artifacts -- from the past travels to the present and finds himself unable to return to his own time. When he returns to his castle, which is now a museum, he inadvertently releases magic across the continent. In order to set things right, he is given a new team of Librarians to help him clean up the mess he made.