In 1979, the most terrifying sci-fi movie monster of all time burst onto the big screen, shocking audiences around the world. Now, experience all four chapters of the chilling Alien Saga in this thrilling quadrilogy! From the legendary first film that introduced Ellen Ripley (Sigourney Weaver) -- the iron-willed warrior determined to battle humankind's greatest threat -- to her shocking rebirth in Alien Resurrection, this must-own collection will leave you breathless!