Why was Oona’s grandfather, Charlie Chaplin, exiled from Hollywood?
Jail awaits - Klaus Fuchs is going down. But will he take Ursula with him?
A double life implodes. Fuchs faces judge and jury
The spy catchers close in. Klaus Fuchs is caught in the crosshairs
The interrogation of a spymaster. Ursula is questioned as Klaus Fuchs returns to England
Lives on the line. The Fuchs family is drawn into the espionage
A double life gets more dangerous. Fuchs joins America's bomb project
The spy meets his spymaster
The fate of the world is decided: Klaus Fuchs joins a top-secret atomic bomb mission
The world’s most dangerous spy? A young scientist’s journey into espionage
The man who stole the atomic bomb. And why he did it
What does the inside of an atom sound like? Meet our sound designer for Season 2
"She was not just a spy - she was a spymaster". The family secret of Rosa Ellis
The spy who changed history. Season 2 begins on 9 July 2022
The bomb drops on Hiroshima and the world is changed forever
Time is running out. Leo Szilard makes one final attempt to stop the bomb
The FBI pursues Leo Szilard as he loses control of the project
An attack on Pearl Harbour changes everything
A vital message must be delivered to the president of the United States
It’s a race against time to beat the Nazis to the nuclear bomb
A little-known scientist discovers something that will change the course of human history
“My grandfather in front of a mushroom cloud”. Could the Bomb have been stopped? #thebomb