Old Friends, New Enemies (1-6), Of Like Minds (56-61), Sensei and Student (62-68), Between Dark and Dawn (69-75), The Battle Within (76-85), Perfect Pitch (86-90, 92-95), Blood and Circuits (96-103), Dead of Winter (104-108), Club Kids (109-112, 118), Metropolis or Dust (113-117), Platinum Flats (119-124)