On Halloween, Five-0 investigates the murder of a medium with a checkered past who was apparently scared to death by a poltergeist. Also, Kono and Adam are kidnapped by what appears to be a death cult.
Stars: Alex O'Loughlin, Scott Caan, Daniel Dae Kim
Director(s): Ron Underwood
Writer(s): Peter M. Lenkov, Alex Kurtzman, Roberto Orci