It’s the year 2019, and the Secretary General of the United Nations has announced the arrival of alien life. How do you react? The answer will largely depend on the science fiction films you’ve seen, some apocalyptic and others more benign. Since George Melies’ Le Voyage Dans La Lune, the cinema has inadvertently prepared mankind for the arrival of the unknown. Some films have instructed us to hide, some to fight back and some, on rare occasions, to befriend the extra-terrestrial guests.