Hawaii Five 0 — Episode 6: Na Pilikua Nui (Monsters)

You are watching the episode Na Pilikua Nui (Monsters) It’s Halloween in O’ahu, and Five-0 must track down a serial killer inspired by Frankenstein. Also, Jerry calls Five-0 for help when an armed gang raids a blood bank, and Danny must track down Grace who lied and snuck out to a Halloween party.