All fifteen episodes of this serial have been preserved by the UCLA Film and Television Archive through Saving the Silents, organized by the National Film Preservation Foundation and supported through Save America's Treasures, a partnership of the National Endowment for the Arts and the National Park Service, Department of the Interior.
Chapter Titles: (1) The Bandaged Man (2) Held By the Enemy (3) The Hidden Thing (4) Ruin (5) To Beat a Knave (6) Heights of Hazard (7) Mocked from the Grave (8) The Human Target (9) Game Clear Through (10) Against Time (11) Spunk (12) Under the Floor (13) Swamp of Lost Souls (14) The Madman (15) A King's Ransom
Pearl White's last serial.
Stuntman John Stevenson was killed in a stunt during the making of this film.