Provider: Eastern (ET) Change
Five-0 hunts for a serial killer who is inspired by Frankenstein. Meanwhile, Jerry calls Five-0 for help when an armed gang raids a blood bank; and Danny tries to track down Grace when she lies to him and sneaks out to a Halloween party.
Castle and Beckett discover a young nanny dead inside a laundry-room dryer, and their investigation leads to a dangerous world of play dates. Meanwhile, Castle contemplates Beckett's character while writing his "Nikki Heat" series.