S4 E18 • The Battle of Arleux - Robert Nivelle Gets Fired

The Battle of Arras continued in smaller scale attacks this week 100 years ago. Fighting focused on Arleux and the Scarpe river. Neither of these battles was able to repeat the success of the early Arras offensive. The casualties of the Nivelle Offensive were now costing Robert Nivelle his job as he was still blaming everyone but himself.

Première diffusion : 4 mai 2017

S4 E19 • The Macedonian Standoff - The Five Nation Army Is Repelled

Italy, France, Serbia, Britain and Russia joined forces at the Macedonian Front and the "five nation army" wants to break through the lines held by Bulgaria with some German support. But the Bulgarian defences can withstand the attack and so Maurice Sarrail is forced to abandon all hopes for a breakthrough. Meanwhile another offensive is about to proceed at the Italian front which had been quiet all winter.

Première diffusion : 11 mai 2017

S4 E20 • Tenth Battle of The Isonzo River - Trotsky Arrives in Petrograd

The Italian Front has been quiet over the winter and while the Austrians used the time to improve their defences, the Italian Army prepared another offensive near the Isonzo River. At the same time, Leon Trotsky arrives in Petrograd which will ensure the further complication of the situation in Russia after the Revolution.

Première diffusion : 18 mai 2017

S4 E21 • German Bombers Over Britain - Arab Revolt On The Advance

This week 100 years ago, Germany is flying concentrated bomber attacks with multiple Gotha bombers on British cities - causing more damage than any Zeppelin raid before. In the Middle East, T.E. Lawrence and his allies from the Arab Revolt are on the march while on the Western Front, the last battles of the Nivelle Offensive come to an end.

Première diffusion : 25 mai 2017

S4 E22 • French Mutinies - Tunnels Under Messines Ridge

The casualties and lack of success during the Nivelle Offensive were too much for the French Army and now the breaking point was reached. While parts of the French Army are in open mutiny, British Commander Douglas Haig is already planning the next offensive at Ypres. This time he wants to combine it with an amphibious landing along the Belgian coast.

Première diffusion : 1 juin 2017

S4 E23 • The Battle of Messines - Explosion Beneath Hill 60

In the early morning of June 7 the area around Messines Ridge is shattered by huge explosions beneath the German positions. Miners and sappers had dug tunnels and filled them up with tons of explosives. Up to 10,000 German soldiers are killed in this inferno. At the same time, the Romanian Army seems to be in shape for an attack against the Germans again and the 10th Battle of the Isonzo continues.

Première diffusion : 8 juin 2017

S4 E24 • Italian Mountain Warfare - The Espionage Act

The US entry into the war had raised some pretty unrealistic expectations among the Allies. When General Pershing arrived in Britain, King George personally told him how he looked forward to the 50,000 US airplanes soon in the air. At the same time the Italians start an offensive in the Trentino and attack Mount Ortigara.

Première diffusion : 15 juin 2017

S4 E25 • The Disillusionment of Lawrence of Arabia

Almost a year after the secret signing of the Sykes-Picot-Agreement, British intelligence officer and guerrilla fighter T.E. Lawrence learns about the deal. He learns how the French, British and Russians are carving up the Middle East while officially supporting the Arab Revolt. Lawrence is increasingly frustrated with this double crossing behaviour and warns his superiors about the consequences.

Première diffusion : 22 juin 2017

S4 E26 • Russia's New Offensive - The Russian Women's Battalion of Death

After the Russian Revolution, fresh optimism is gripping the troops at the front line and another offensive is planned. The first American troops arrive in France and Greece officially joins the Entente.

Première diffusion : 29 juin 2017

S4 E27 • Turmoil In The Reichstag - The Kerensky Offensive

The German home front is shaken by a political scandal this week 100 years ago. A member of the Center party reveals that the German unrestricted submarine warfare is not achieving what the German high command had hoped for. Paul von Hindenburg and Erich Ludendorff, who pretty much run Germany as a military dictatorship by now, also dispose of chancellor Theobald von Bethmann Hollweg. Hollweg was actually secretly involved in peace negotiations but that chance is gone with him too. Russia unleashes their Kerensky Offensive on the Eastern Front and puts further pressure on the Central Powers.

Première diffusion : 6 juillet 2017

S4 E28 • Operation Beach Party - Mustard Gas Unleashed

British Commander Sir Douglas Haig is still convinced of his coming offensive in Flanders. But the Germans now that something is afoot and launch a spoiling attack at the Yser River - the name of the operation is Strandfest or Beach Party. They use blue cross gas for the first time there and two days later also use another new chemical agent which will be known as mustard gas.

Première diffusion : 13 juillet 2017

S4 E29 • July Days In Petrograd - Blood On The Nevsky Prospect

The tensions between the Russian Provisional Government, between the civilians and the Bolsheviks turn violent this week 100 years ago. Machine Guns fire into the demonstrations on the Nevsky Prospect and arrest warrants are issued for Lenin and Trosky. At the same time the preliminary bombardment for the Battle of Passchendaele begins on the Western Front.

Première diffusion : 20 juillet 2017

S4 E30 • Three Years of World War 1

Christmas 1914 - that's when the war was supposed to be over. And now, in the summer of 1917, it entered its fourth year and there was no end in sight. The British Army was about to launch a new offensive near Ypres, Russia drowned in chaos and the central powers' defences were still holding. Though in Romania, the combined Russian and Romanian attack put a few cracks into the German self esteem.

Première diffusion : 27 juillet 2017

S4 E31 • The Battle of Passchendaele - Mutiny in the German Navy

Douglas Haig had been busy since the Battle of Arras came to an end. He amassed huge artillery concentration, got his hands on the new British Mark IV tanks and had a cunning plan that even involved a naval landing along the Belgian coast. And the opening of the battle was definitely more promising than the Battle of the Somme one year earlier. In Germany, a small naval mutiny is put down at the same time.

Première diffusion : 3 août 2017

S4 E32 • Despair Everywhere

This week Russo-Romanian forces clash with the Central Power´s counteroffensive in the Second Battle of Oltuz. The failure of the Kerensky Offensive disheartens the Russian army and radicalizes the homefront. While the Bolsheviks were calling for "Peace, Bread and Land", the new commander of the Russian army Lavr Kornilov strives to become a strong authoritarian figure for the political right. And the Battle of Passchendaele reveals a scarred, broken battlefield of mud and destroyed equipment. Despair is everywhere.

Première diffusion : 10 août 2017

S4 E33 • The Battle of Hill 70 - Mackensen Advances in Romania

The Battle of Passchendaele has turned into a muddy mess, the weather conditions take a toll on both the defenders and the attackers alike. The Canadians relieve some pressure on the British Army in the Battle of Hill 70 south of Ypres. Meanwhile, August von Mackensen is fighting back the Romanian offensive that was unleashed last week.

Première diffusion : 17 août 2017

S4 E34 • The 2nd Battle Of Verdun - Lost Opportunities On The Isonzo River

The 11th Battle of the Isonzo river continued this week and the Italians manage to break through parts of the Austro-Hungarian lines, they hesitate to exploit the breakthrough though and the opportunity is lost. Meanwhile the French break through the German lines at Verdun and Herbert Plumer comes up with a plan to defeat the German Hindenburg Line.

Première diffusion : 24 août 2017

S4 E35 • The Moscow State Conference - Black Sea Revolutionaries

The political factions that oppose the rise of Bolshevism in post-revolutionary Russia come together for a conference this week 100 years ago. But apart from the Moscow State Conference, some people in the military actually aim for a military dictatorship to restore order in Russia and continue the war. At the same time the 2nd Battle of Verdun comes to an end with a French victory and revolutionary fever also spreads across the Black Sea Fleet.

Première diffusion : 31 août 2017

S4 E36 • The Fall of Riga - 11th Battle of the Isonzo River

The German Army under Oskar von Hutier and his artillery officer Georg "Durchbruchmüller" Bruchmüller takes Riga from the Russians, the French government is reshuffled and the 11th Battle of the Isonzo River continues.

Première diffusion : 7 septembre 2017

S4 E37 • Attempted Military Coup in Russia - The Kornilov Affair

The situation in Russia further escalates as Lavr Kornilov attempts to gain complete power with a military coup. The result is a disaster for him and thousands of armed Bolsheviks in the streets of Petrograd.

Première diffusion : 14 septembre 2017

S4 E38 • British Advance At Passchendaele

Herbert Plumer had a cunning plan to crack the German defences at Passchendaele, he would "bite and hold" only small pieces of the German Hindenburg Line instead of aiming for the big breakthrough. It was still a costly tactic but it achieved results and the Germans under Ruprecht, Crown Prince of Bavaria, were worried.

Première diffusion : 21 septembre 2017

S4 E39 • Battle of Polygon Wood - Betrayal At The Italian Front

The British and Australian forces under Sir Herbert Plumer continue to advance at Passchendaele. Plumer's new tactic comes with a high price in men and material but it also gets results. German flying ace Werner Voss fights his last legendary fight and on the Italian Front, some Austro-Hungarian officers want to end the war sooner than later - and not in their countries' favour.

Première diffusion : 28 septembre 2017

S4 E40 • Sabotage In The Desert - Battle of Broodseinde

While the regular British forces were advancing towards Jerusalem and Baghdad, T.E. Lawrence and the Arab Revolt were causing havoc behind the lines. This week 100 years ago, they were continuing to attack the important Hejaz railway which was one of the vital supply routes for the Ottoman Army. On October 4, the Battle of Broodseinde was fought near Ypres and the costly British victory there caused real headaches for German general Erich Ludendorff.

Première diffusion : 5 octobre 2017

S4 E41 • Operation Albion - Passchendaele Drowns In Mud

The situation for the German Army on the Western Front looks grim, but in the East they have the upper hand and this week begin to put pressure on the Russians in Operation Albion - an amphibious landing operation in the Estonian archipelago. At the same time, the Battlefield at Passchendaele is turning into a muddy swamp.

Première diffusion : 12 octobre 2017

S4 E42 • Operation Albion Concludes - Allied Failures In Belgium

100 years ago this week, Operation Albion comes to a successful end for the Germans, as revolution is on the horizon in Russia. The Allies aren’t faring quite so well on the Western Front, where the weather continues to worsen and the death toll climbs ever higher. Haig believes a breakthrough is imminent and German morale is tested. The stalemate continues, but sooner or later the Battle of Passchendaele must come to an end.

Première diffusion : 19 octobre 2017

S4 E43 • The Battle of La Malmaison - Breakthrough at Caporetto

The French score a morale boosting victory over the German at La Malmaison, but the Canadians were not so successful elsewhere on the Western Front. Whilst the Germans continue on through the Estonian Archipelago and onto the Russian mainland, the 12th Battle of the Isonzo takes place on the Italian Front. Unlike the 11 battles that came before it, this one was initiated by the Central Powers and was their biggest breakthrough yet on that front.

Première diffusion : 26 octobre 2017

S4 E44 • Battle of Beersheba - Canadian Frustration - Balfour Declaration

On the Western Front this week, the Canadians under Sir Arthur Currie attempt to advance once more, whilst Haig remains optimistic about an imminent breakthrough. Following Caporetto, the Italian retreat continues, whilst the British Army enjoys success on the Palestine Front, with a little help from mounted ANZAC troops. With Lenin’s return, the revolution looms over the Russian capital, whilst the Balfour Declaration is issued in Britain.

Première diffusion : 2 novembre 2017

S4 E45 • The Russian October Revolution 1917

After the turmoil of the past weeks in Petrograd, the Soviets and the Red Guards seize the opportunity and topple the provisional government under Alexander Kerensky. Their first goal is to pull out of the war. The Italians were still in full retreat during the Battle of Caporetto and the British Army was still advancing in Palestine.

Première diffusion : 9 novembre 2017

S4 E46 • The End Of Passchendaele - Fighting in Petrograd

The Anti-Bolshevik forces in Russia are trying to fight back last week's revolution. The Battle of Passchendaele ends after 3 months of fighting and at least 500,000 casualties on both sides. The British are still advancing on Jerusalem and the Italians set up defences behind the Piave river.

Première diffusion : 16 novembre 2017

S4 E47 • Tank Corps Unleashed - The Battle of Cambrai

After stopping the offensive at Passchendaele, the British Army launches another, albeit more limited, offensive. Almost 500 tanks are put into place and the initial success is remarkable. But the Germans had ben training in anti-tank warfare and are supported by fresh troops from the Eastern Front.

Première diffusion : 23 novembre 2017

S4 E48 • All Quiet On The Eastern Front - Action in East Africa

This week in the Great War, the Battle of the Ngomano was fought in East Africa between the Germans and Portuguese, which was a decisive win for Lettow-Vorbeck’s men. On the Eastern Front, the fighting stops and Trotsky published the secret treaties that Russia and the other Allies had signed. The Battle of Cambrai continued, with attacks and counterattacks from both sides, including the implementation of the new Hutier assault tactics. Armando Diaz was making changes for the better on the Italian Front, with the express aim of improving the morale among his men.

Première diffusion : 30 novembre 2017

S4 E49 • Halifax Explosion - Peace in the East?

This week in the Great War, we see some action in Italy and none at all in Russia - the peace negotiations are well underway. The Allied Supreme War Council meets for the first time as the Battle of Cambrai comes to a close. Two ships collide in Nova Scotia resulting in a deadly explosion.

Première diffusion : 7 décembre 2017

S4 E50 • Jerusalem Surrenders - Bolsheviks Consolidate Control

This week in the Great War, the British under Allenby capture the Holy City. Meanwhile the British War Cabinet beings to strategise for future offensives. In Russia, though the fighting may be over on the Eastern Front, the fight for control of the country is far from over. Before the Bolsheviks can negotiate peace with Germany, they need to establish peace within Russia’s own borders.

Première diffusion : 14 décembre 2017

S4 E51 • The Armistice of Brest-Litovsk

An armistice between Austria-Hungary, Germany and Russia is signed this week 100 years ago at Brest-Litovsk. And right away the Germans make their intentions clear that they want to dictate the terms for the following peace negotiations. Even Great Britain is exploring peace options but is there actually peace in Russia? After the Bolshevik Coup a Civil War is looming.

Première diffusion : 21 décembre 2017

S4 E52 • Ludendorff Plans for a Spring Offensive

This week, the peace negotiations are underway at Brest-Litovsk. Meanwhile, the German High Command begins to plan for a game-changing offensive in the spring. There’s action in Italy on the Piave Front, and the Ottomans try to recapture the Holy City.

Première diffusion : 28 décembre 2017