An alien and a robot land on Earth after World War II and tell mankind to be peaceful or face destruction.

Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for twenty years. They find themselves unwelcome by the expedition's lone survivor and warned of destruction by an invisible force if they don't turn back immediately.

Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.

After an encounter with UFOs, an electricity linesman feels undeniably drawn to an isolated area in the wilderness where something spectacular is about to happen.

Construction worker Douglas Quaid's obsession with the planet Mars leads him to visit Rekall, a virtual vacation company that manufactures memories. When something goes wrong during Quaid's memory implant procedure, his life turns upside down, leading him to question what is reality and what isn't.