E1 - The United States Goes Dry - Alcohol Prohibition

Aired: January 20, 2020

E2 - The Greco-Turkish War & The Turkish War of Independence

Aired: January 31, 2020

E3 - Diamonds or Self-Determination? - South West African Nationalism

Aired: February 15, 2020

E4 - The Freikorps Marches on Berlin - The Kapp Putsch

Aired: February 29, 2020

E5 - Irish War of Independence - Black and Tans vs. IRA Guerrillas

Aired: March 14, 2020

E6 - The Failed Start of the League of Nations

Aired: April 11, 2020

E7 - Spoils of War for Britain and France - Redrawing the Map of the Middle East

Aired: April 25, 2020

E8 - Polish-Soviet War - First Phase 1919 - May 1920

Aired: May 16, 2020

E9 - The Spanish Flu Influenza Pandemic 1918 - 1920

Aired: May 30, 2020

E10 - The Treaty of Trianon - The Most Controversial of the Peace Treaties

Aired: June 13, 2020

E11 - The Peasants Rise Up Against The Bolsheviks - The Russian Civil War(s) 1920

Aired: June 27, 2020

E12 - German-Polish Proxy War In Silesia - French Troops On The Rhine

Aired: July 11, 2020

E13 - French War in Syria - British War Against the Iraqi Revolution

Aired: July 25, 2020

E14 - Greco-Turkish War - Treaty of Sèvres

Aired: August 15, 2020

E15 - Battle of Warsaw - Turning Point of Polish-Soviet War

Aired: August 29, 2020

E16 - Irish War of Independence - WW1 Veterans In A New Battle

Aired: September 12, 2020

E17 - Dividing Up the Middle East - The Creation of Lebanon

Aired: September 26, 2020

E18 - Russian Civil War in Central Asia

Aired: October 17, 2020

E19 - Polish-Lithuanian War - Caught Between Poland and Soviet Russia

Aired: October 31, 2020

E20 - Italian Proto-Fascists Occupy Fiume - The Adriatic Question

Aired: November 14, 2020

E21 - Bloody Sunday - Escalation in the Irish War of Independence

Aired: November 28, 2020

E22 - The Mexican Revolution - Bandits Turned Heroes

Aired: December 12, 2020

E23 - The Russian Civil War in Siberia

Aired: December 27, 2020