The fourth series follows a team of experts on a dark journey from the Arctic Circle to Southern Italy, from the Death Camps of Poland to the inside of Hitler’s rolling HQ aboard his personal train, as they uncover a Nazi world that has been hidden for decades.

Season 3 Episode 1 - The Eagle's Nest

Hitler transformed his Alpine retreat in Bavaria into a fortified fiefdom, home to 2,000 SS troops and protected by a high level security system. Air Date : 3rd-May-2016  Read More

Season 3 Episode 2 - Hitler's Island Megafortress

It’s June 1940 and the Nazis have taken the Channel Islands, where Hitler orders some of the most fortified structures in the Third Reich. Air Date : 10th-May-2016  Read More

Season 3 Episode 3 - Lightning War Machine

Ruins across Europe tell the story of Blitzkrieg, a revolution in warfare which almost gave Hitler the chance to create his Thousand Year Reich. Air Date : 17th-May-2016  Read More

Season 3 Episode 4 - Hitler's Killer Subs

Hitler planned a submarine to outperform all others. The Type 21 was the world's most advanced submarine: Hitler's sea-faring super weapon. Air Date : 24th-May-2016  Read More

Season 3 Episode 5 - Pacific Megaships

In the 1930s the Japanese begin designing the Yamato, the world's most powerful battleship, 30 per cent larger than anything their enemies have. Air Date : 31st-May-2016  Read More

Season 3 Episode 6 - Japanese Superfortress

In 1945 Japanese generals construct a network of defences and tunnels on Okinawa, creating a devastating killing ground for American troops. Air Date : 7th-Jun-2016  Read More