Episode Title:Come the Apocalypse.Episode Description:Apocalypse and Mystique turn mutants who journeyed to Muir Island seeking the fictitious cure into the Horsemen of Apocalypse. Soon after, Apocalypse and his four Horsemen attack the World Peace conference in Paris. Professor X recognises Archangel as one of the mutants from Muir Island and sends Rogue on a mission to investigate. Rogue confronts "Dr Adler", uncovers Mystique's disguise and in the resulting struggle Dr Adler's lab gets destroyed. The X-Men battle the four horsemen and Rogue absorbs Archangel's dark side. Apocalypse manages to escape via a secret trap door and an underground plane.