S15 Special: The Lost WWI Bunker
S15 Special: The Mystery of the Roman Treasure
S16 Special: Henry VIII's Lost Palaces
S16 Special: Secrets of Stonehenge
S16 Special: Dover Castle
S17 Special: Nelson's Hospital
S17 Special: The Secrets of Westminster Abbey
S17 Special: The Real Vikings
S18 Special: Wars of the Roses
S18 Special: The Somme's Secret Weapon
S18 Special: Boudica's Lost Tribe
S18 Special: Brunel's Last Launch
S19 Special: Rediscovering Ancient Britain
S20 Special: The Secret of Lincoln Jail
S20 Special: The Lost Submarine of WWI
S20 Special: The Madness of Bedlam
