Episode 01: Austria, March 1917 Episode 02: Somme, Early August 1916 (1) Episode 03: Germany, Mid-August 1916 (2) Episode 04: Barcelona, May 1917 Episode 05: The Mystery of the Blues, Chicago, April 1920 (1) Episode 06: The Mystery of the Blues, Chicago, May 1920 (2) Episode 07: Princeton, February 1916 Episode 08: Petrograd, July 1917 Episode 09: The Scandal of 1920, New York, June 1920 (1) Episode 10: The Scandal of 1920, New York, July 1920 (2) Episode 11: Vienna, November 1908 Episode 12: Northern Italy, June 1918 Episode 13: The Phantom Train of Doom (1) Episode 14: The Phantom Train of Doom (2) Episode 15: Ireland, April 1916 Episode 16: Paris, September 1908 Episode 17: Peking, March 1910 Episode 18: Benares, January 1910 Episode 19: Paris, October 1916 Episode 20: Istanbul, September 1918 Episode 21: Paris, May 1919 Episode 22: Prague, August 1917 Episode 23: Florence, May 1908 Episode 24: Palestine, October 1917 (1)