Halloween III: Season of the Witch (1982)

Producer John Carpenter (Halloween, The Thing) presents the third chilling installment in the shocking Halloween collection. When a terrified toy salesman is mysteriously attacked and brought to the hospital, babbling and clutching the year's most popular Halloween costume, an eerie pumpkin mask, doctor Daniel Challis is thrust into a terrifying Halloween nightmare. Working with the salesman's daughter, Ellie, Daniel traces the mask to the Silver Shamrock Novelties company and its founder, Conal Cochran. Ellie and Daniel uncover Cochran's shocking Halloween plan and must stop him before trick-or-treaters across the country never come home in this terrifying thriller.