The Spectral Sentinel (S01E18)

S01E01 The Dreadful Descent of the Drowned Ghosts! S01E02 The Unbreakable Curse of the Girl's Hair! S01E03 The Terrifying Temptation of the Shadow Ghost S01E04 The Sinister Strike of the Spider Ghost! S01E05 The Enticing Entrapment of Ethra S01E06 The Nightmare of the No-Face Ghost S01E07 The Mystery of the Marionette Queen S01E08 The Bewitched Bus! S01E09 The Weird Tale of the Wicked Doll Ghost! S01E10 Ian the Red-Eyed Boy S01E11 The Mystifying and Malevolent Maze! S01E12 The Hair-Raising Tale of the Homunculus! S01E13 The Frightening Fable of the Flower of Death! S01E14 The Spine-Chilling Story of the Skeleton Ghost! S01E15 Invasion of the Iron Beast S01E16 The Horrifying Game of Hide and Seek S01E17 The Malediction Malfunction S01E18 The Spectral Sentinel S01E19 The Vampire King S01E20 Storm of the Straw Ghost S01E21 The Rise of the Underground Nation S01E22 The Wrath of the White-WInged Wraith S01E23 Shinbi Apartment – Doomsday (Part One) S01E24 Shinbi Apartment – Doomsday (Part Two)