Miraculous Ladybug Season 4 Episode 5 - Furious Fu Episode Title:Furious FuEpisode Description:After meeting with Master Fu, Marinette is confronted by Su-Han, a "Celestial Guardian" of the Miraculouses who does not believe she can be a Guardian or protect Paris. When Cat Noir refuses to relinquish his Miraculous on Su-Han's orders, the heroes attack Su-Han and retrieve the Miracle Box back from him. Su-Han steals Master Fu's cane in order to pursue the heroes, and the confrontation agitates Fu enough to become "Furious Fu", who can bring Chinese characters to life. Ladybug and Cat Noir defeat Furious Fu, impressing Su-Han enough for him to allow Marinette to continue being Ladybug.