Season 26
Episodes
1 The Hunt for U864 Jan 5, 2007 
2 Beatlemania Jan 12, 2007 3 Killer Cloud Jan 19, 2007 
4 Hadrian's Wall Jan 26, 2007 
5 The First Blitz Feb 2, 2007 6 The Last Duel Feb 9, 2007 7 Special: Remember the Galahad Apr 2, 2007 8 Hijack Apr 13, 2007 9 The Wave That Destroyed Atlantis Apr 20, 2007 10 The Hidden Children Apr 27, 2007 11 Gladiator Graveyard May 11, 2007 
12 The People's Coronation May 18, 2007
2 Beatlemania Jan 12, 2007 3 Killer Cloud Jan 19, 2007 4 Hadrian's Wall Jan 26, 2007 5 The First Blitz Feb 2, 2007 6 The Last Duel Feb 9, 2007 7 Special: Remember the Galahad Apr 2, 2007 8 Hijack Apr 13, 2007 9 The Wave That Destroyed Atlantis Apr 20, 2007 10 The Hidden Children Apr 27, 2007 11 Gladiator Graveyard May 11, 2007 12 The People's Coronation May 18, 2007