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Psycho IV, a slasher masterpiece released in 1990, marks the return of serial killer Norman Bates. Directed by Mick Garris, this sequel brings back Anthony Perkins in his iconic role as Bates and introduces Olivia Hussey as Dr. Miriam Blanch. The film follows the reopening of the Bates Motel, unleashing a new wave of terror as Bates' murderous impulses resurface.