Stephen Hawking sets three volunteers a series of fun challenges to show them how to think like a genius - and find out how likely it is that aliens exist.

Until recently, the idea of sending humans to Mars was pure science fiction. Now the world's largest space agency is gearing up for its most ambitious project yet - a manned mission 140 million miles across space to the Red Planet. From testing their rockets and experimenting on their astronauts to designing their life support systems, Horizon follows teams across NASA as they start work. How will they overcome the impossible? Is it actually do-able?...

In this program, scientists, astrobiologists, and astronomers combine scientific fact and a little imagination to create five lines of extraterrestrial evolution and explain how creatures on the surface of Earth can offer a helping hand to understanding life on other planets.

Spaceships blast destructive beams of fire down on cities all over the planet. Now the world's only hope lies with a determined band of survivors, uniting for one last strike against the invaders -- before it's the end of mankind.

New York City is being threatened by a villainous bug who has inhabited the body of a farmer. The mission is to locate and exterminate the bug before it destroys the planet.

Arthur Dent and Ford Prefect escape from the Earth moments before its destruction and join forces with Zaphod Beeblebrox on board the Heart of Gold and search for the ultimate question.

Set more than a decade after the events of the first film, it begins to tell the story of the Sully family (Jake, Neytiri, and their kids), the trouble that follows them, the lengths they go to keep each other safe, the battles they fight to stay alive, and the tragedies they endure.

The Skywalker saga continues as the heroes of The Force Awakens join the galactic legends in an epic adventure. Having taken her first steps into the Jedi world, Rey joins Luke Skywalker on an adventure with Leia, Finn and Poe that unlocks mysteries of the Force and secrets of the past.

They are working as special ops. When an alien presence is detected in Susan's hometown right before Halloween, the team is dispatched to investigate. Everything appears normal, but when Halloween arrives, those innocent-looking carved pumpkins reveal themselves for what they really are mutant aliens. The altered pumpkins then start to implement their fiendish plan to take over Earth. The Monsters are there to combat the mutant gourds and try to smash...

Steven Spielberg's masterpiece about a boy and his special bond with an alien from another planet. This 30th Anniversary Edition includes hours of bonus features, including a new interview with Steven Spielberg.