The 4k disc in this set is locked to Region B. If you have an all region Blu-Ray/UHD player you will be fine but this will NOT play on a standard US UHD player. Packed with space-age suspense and extraterrestrial terror, this eerily photographed and electrifying thriller drips with an intoxicating, feverish atmosphere of dread. A band of space travelers has just intercepted a distress call from a distant world! Is it a desperate cry for help… or something far more sinister? After landing on the shadowy planet, the crew is attacked by a horde of disembodied aliens with a diabolical plan: to conquer the universe by controlling the crew’s minds and stealing their souls-proving that even in outer space, possession is 9/10 of the law! Directed by horror legend Mario Bava (Black Sunday, Black Sabbath). Picture format 1.85:1 (HDR/DolbyVision) Director Mario Bava Languages German, English, Italian NOT ALL EXTRAS MAY BE ENGLISH FRIENDLY 4k UHD Region B – This will play on all region UHD player set to Region B or a Native Region B Player Blu-Ray Region B THIS IS A REGION B DISC. PLEASE SEE THE FAQ IF YOU ARE UNSURE IF YOU CAN PLAY IT https://www.diabolikdvd.com/store-policies-faq/