TV series
The story of World War II told through the intertwining fates of ordinary people from all sides of this global conflict as they grapple with the effect of the war on their everyday lives.
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Checked Jul 22, 2026
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The story of World War II told through the intertwining fates of ordinary people from all sides of this global conflict as they grapple with the effect of the war on their everyday lives.
Cast, crew and production details
Jonah Hauer-KingHarry Chase
Julia BrownLois Bennett
Helen HuntNancy Campbell
Zofia WichłaczKasia Tomaszeski
Lesley ManvilleRobina Chase
Brian J. SmithWebster O'Connor
Parker SawyersAlbert Fallou
Tomasz KotStefan Tomaszeski
BBC OneUnited Kingdom
Mammoth ScreenUnited KingdomWatch options above are for the show and may vary by season or episode.
Episode 1
When war breaks, translator Harry Chase vows to help his Polish lover Kasia flee Warsaw, but how will he explain this to his sweetheart Lois, waiting for him at home in Manchester?
Directed by Adam SmithWritten by Peter BowkerGuest stars Agata Kulesza, Mateusz Więcławek
Where to watch World on Fire
Episode 2
A month after the outbreak of war, Warsaw is unrecognisable, while Manchester, on the surface, appears very much the same. Will there be a warm welcome home for Harry?
Guest stars Tomasz Ziętek, Agata Kulesza, Mateusz Więcławek
Where to watch World on Fire
Episode 3
December 1939, and Tom fights for his life on board the HMS Exeter at the Battle of River Plate. Meanwhile, Harry and Lois have a more personal battle to fight.
Guest stars Tomasz Ziętek, Mateusz Więcławek
Where to watch World on Fire
Episode 4
Harry’s courage is tested at Louvain as he comes face to face with a German sniper, and Kasia’s resistance activity in Warsaw intensifies.
Directed by Andy WilsonGuest stars Tomasz Ziętek, Mateusz Więcławek
Where to watch World on Fire
Episode 5
Harry leads his unit on the route to Dunkirk as they fight to make it onto the beach and aboard a ship. Grzegorz and Tom also struggle to survive the chaos of the evacuation.
Directed by Chanya ButtonGuest stars Tomasz Ziętek, Mateusz Więcławek
Where to watch World on Fire
Episode 6
June 1940. The Nazis have taken Paris with not a bullet fired. Webster and Albert's life in the city they love will never be the same again.
Directed by Chanya ButtonGuest stars Raphael Desprez
Where to watch World on Fire
Episode 7
On a Polish mission as part of the SOE, Harry grasps a second chance at saving Kasia from the horrors of Warsaw, while Lois looks set for happiness with new love, Vernon. Season finale.
Directed by Andy WilsonGuest stars Alex Boxall, Maurycy Łyczko, Tomasz Ziętek, Mateusz Więcławek
Where to watch World on FireEpisode information updated Jul 22, 2026
