Halloween has become a six billion dollar industry. Go behind-the-scenes at Knott’s Berry Farm’s 35th annual Halloween Haunt. Learn how to apply Hollywood grade monster make-up, watch scary latex masks cranked out by the thousands and discover which costumes are past and present winners. See the most extreme jack-o-lanterns ever made, find out how hundreds of gallons of fake blood are manufactured and finally visit a haunted house with an annual attendance of over 50,000.