Just when you thought it was safe to go back to bed...fearsome Freddy's back, and he's tormenting the dreams of some troubled teens under the care of the girl who survived his first rampage, in "A Nightmare on Elm Street 3: Dream Warriors." Robert Englund, Heather Langenkamp, Craig Wasson, John Saxon, and Patricia Arquette (her film debut) star. Then, the biggest cut-up in horror films returns, in "A Nightmare on Elm Street 4: The Dream Master." Fiendish Freddy Krueger (Englund) has come back for revenge on the kids who "killed" him one film earlier, turning their dreams into deadly nightmares. Lisa Wilcox, Rodney Eastman co-star; directed by Renny Harlin. 189 min. total on two discs.