The Scary Movie gang is back for their funniest, most fearless installment yet, featuring an avalanche of hysterical celebrity cameos, including Carmen Electra, Charlie Sheen , Dr. Phil, Shaquille O'Neal, and Lil' John, plus many more surprises! This time, the lovable, dim-witted Cindy and her overheated pal Brenda returns to help clueless hero Tom save the world from a ruthless alien invasion. In true Scary Movie tradition, the story weaves through a series of hilarious and twisted parodies of movies like War of the Worlds, The Grudge, The Village and Saw. In Scary Movie 4, nothing, and we mean NOTHING, is off limits!