Power Rangers Combat Chaos is based on and an adaption of Battle Fever J and the 2017 Power Rangers film in Toonwriter's Power Rangers series. It's the only series where a few previous Power Rangers teams joins with the current for the duration of the show. It's also the only Ranger series that crosses over with horror franchises such as Goosebumps, Are You Afraid of the Dark?, Halloween, Leprechaun and more.