Sezon 25
Bölümler
1 The Bog Bodies 20 Oca 2006 2 The Battle of the River Plate 27 Oca 2006 3 The Floating Brothel 3 Şub 2006 4 The Unknown Soldiers 24 Şub 2006 5 Missing in Action 3 Mar 2006 
6 The Secret History of Genghis Khan 10 Mar 2006 7 The Crusaders' Lost Fort 14 Nis 2006 8 Mystery of the Headless Romans 21 Nis 2006 9 Battle for Warsaw 28 Nis 2006 10 The Iron Coffin 5 May 2006 11 San Francisco's Great Quake 12 May 2006 
12 The Princess Spy 19 May 2006
6 The Secret History of Genghis Khan 10 Mar 2006 7 The Crusaders' Lost Fort 14 Nis 2006 8 Mystery of the Headless Romans 21 Nis 2006 9 Battle for Warsaw 28 Nis 2006 10 The Iron Coffin 5 May 2006 11 San Francisco's Great Quake 12 May 2006 12 The Princess Spy 19 May 2006