Dark Angel, a sci-fi series by James Cameron, was canceled after 2 seasons and had themes reminiscent of his other works. Dark Angel's cancellation was due to complex plot elements in Season 2 ...

Series: "The Devil Is a Part Timer!" Where to stream: Hulu, Crunchyroll, Apple TV, Amazon Video Emi Yusa ... including a dark angel named Apos, the series' principal antagonist.