As Peter and Adam resume their riotous rundown of Crisis with issue #4, time is running out for Earth-1 and Earth-2, and it's already run out for Earth-6! Firestorm and Killer Frost face chaos in Camelot, Supergirl and Red Tornado make their grand entrances into the story destined to change them forever, and the heroes of Earth-1 witness the illuminating introduction of the new Doctor Light! (2:43:43)
