The Mystery Box: 10 chapter adventure serial. [1] “The Fatal Box,” released 1 June 1925 (three reels); [2] “A Tragic Legacy,” released 8 June 1925; [3] “Daring Danger,” released 15 June 1925; [4] “A Leap for Life,” released 22 June 1925; [5] “Defying Fate,” released 29 June 1925; [6] “Trapped by Outlaws,” released 6 July 1925; [7] “Pendulum of Death,” released 13 July 1925; [8] “The Miracle Rider,” released 20 July 1925; [9] “Vengeance of the Mystery Box,” released 27 July 1925; [10] “Vindicated,” released 3 August 1925.