When Ripley's lifepod is found by a salvage crew over 50 years later, she finds that terra-formers are on the very planet they found the alien species. When the company sends a family of colonists out to investigate her story... all contact is lost with the planet and colonists. They enlist Ripley and the colonial marines to return and search for answers.
After escaping with Newt and Hicks from the alien planet, Ripley crash lands on Fiorina 161, a prison planet and host to a correctional facility. Unfortunately, although Newt and Hicks do not survive the crash, a more unwelcome visitor does. The prison does not allow weapons of any kind, and with aid being a long time away, the prisoners must simply survive in any way they can.
During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descend upon them when the alien parasite planted inside its unfortunate host is birthed.
When most of the population of Earth is infected by a virus and transformed into flesh eaters and blood drinking creatures, a group of hunters lead by Tao and his sword chase the vampire zombies to eliminate them. Six non-infected survivors try to find the exit of an abandoned hospital crowded of the infected creatures. Meanwhile, the military is ready to bomb the whole area.
One thousand years after cataclysmic events forced humanity's escape from Earth, Nova Prime has become mankind's new home. Legendary General Cypher Raige returns from an extended tour of duty to his estranged family, ready to be a father to his 13-year-old son, Kitai. When an asteroid storm damages Cypher and Kitai's craft, they crash-land on a now unfamiliar and dangerous Earth. As his father lies dying in the cockpit, Kitai must trek across the hostile terrain to recover their rescue beacon. His whole life, Kitai has wanted nothing more than to be a soldier like his father. Today, he gets his chance.
The night after another unsatisfactory New Year party, Tim's father (Bill Nighy) tells his son that the men in his family have always had the ability to travel through time. Tim can't change history, but he can change what happens and has happened in his own life---so he decides to make his world a better place...by getting a girlfriend. Sadly, that turns out not to be as easy as you might think.
Dr. Adrian Helmsley, part of a worldwide geophysical team investigating the effect on the earth of radiation from unprecedented solar storms, learns that the earth's core is heating up. He warns U.S. President Thomas Wilson that the crust of the earth is becoming unstable and that without proper preparations for saving a fraction of the world's population, the entire race is doomed. Meanwhile, writer Jackson Curtis stumbles on the same information. While the world's leaders race to build "arks" to escape the impending cataclysm, Curtis struggles to find a way to save his family...