Chasing down a rescue request from Zapp, Klaus and Leo find themselves in an underground cage-fighting arena, with Klaus winding up in the ring. Black and Leo hit it off over lunch at the diner, and learn that they have much in common.
Genres: Action & Adventure , Animation , Comedy , Sci-Fi & Fantasy
Keywords: alien , anime , based-on-manga , bromance , coming-of-age , dark-comedy , disaster , family-tragedy , fighting , magic , martial-arts , new-york-city , parallel-world , secret-agent , secret-organization , shounen , super-power , supernatural , undead , vampire , zombie , watch-anime-series-online