The film is 2014's Interstellar, directed by Christopher Nolan and starring Matthew McConaughey about space travel to another galaxy.
In the UK the film was the 13 highest grossing film of 2014 and the 10th highest grossing movie across the world in the same year.
The film was downloaded an estimated 47 million times, shockingly this is 17 million higher than last years top illegally downloaded film Wolf of Wall Street.
Here are the top 10 most illegally downloaded film of 2015