- Country: Spain
- Genres: Drama, Horror, Sci-Fi
- Release: 2018-02-09
- Director: Sadrac González-Perellón
- Writers: Sadrac González-Perellón
- Language: English
- Stars: Julian Nicholson , Lowena McDonell , Haydée Lysander , Daniel M. Jacobs , Lucy Tillett , Marc Puiggener , Will Hudson
- Runtime: 105 min
- Awards: 1 win & 16 nominations
- AKA: Crna kocka (Serbia) , The Black Cage (France, French Republic) , A fekete kocka (Hungary) , Пустая чёрная клетка (Russian Federation) , Dark Portal (United Kingdom) , Black Hollow Cage , Black Hollow Cage (Spain) , Black Hollow Cage (United States of America) , 黒い箱のアリス (Japan)
- Plot:
A girl who lives in a secluded house with her father and her dog finds a mysterious black cube in the woods with the ability to change the past.
- IMDB:tt5687424