Sword Art Online Sword Art Online: Alicization - War of Underworld Episode 5 The Night Before Battle ( Air Date 2019-11-10 ) Genre Animation, Sci-Fi & Fantasy, Action & Adventure category. Overview "Resolved to fight for humankind, Alice joins the forces of the Human Empire, bringing Kirito with her. But while the forces of darkness boast overwhelming numbers, only thirteen Integrity Knights are available to fight for the Human Empire.".