To mark ‘Back to the Future’ day on October 21st 2015, the Galaxy Cinema screened all three of the Back to the Future films, in order, twice. The running times of the films were as follows: Back to the Future - 117 minutes Back to the Future Part II - 109 minutes Back to the Future Part III - 119 minutes The performance times were arranged so that the first showing of the first film began at 10:15 and the second showing of the last film ended at 22:45. The interval between successive films was the same throughout the day.