A representative of an alien race that went through drastic evolution to survive its own climate change, Klaatu comes to Earth to assess whether humanity can prevent the environmental damage…

An alien and a robot land on earth after World War II and tell mankind to be peaceful or face destruction. A classic science fiction film from Robert Wise with…

Hundreds of massive intergalactic robots appear in all of the world’s major capitals with an ultimatum: Prove the value of human civilization or be destroyed.