1. Episode 1
As an SA squad marches through town, Charlotte is called to a crime scene; Nyssen throws a huge party with Helga and makes an important announcement.
Babylon Berlin — Season 4
Now in the 1930s, the city is grappling with the Great Depression - and the Nazi's march to power is in full swing.
2. Episode 2
As a dead man on a park bench in the Tiergarten grabs the attention of the homicide squad; Toni gets caught; Charlotte makes a terrible decision.
3. Episode 3
In urgent need of money, Charlotte enters a lucrative dance marathon; Councillor Wendt pitches his plans to Nyssen; Rath visits Stennes in prison.
4. Episode 4
Abraham Goldstein arrives in Berlin as the secret organisation White Hand passes a verdict on a criminal; Rath investigates a boxing match.
5. Episode 5
Weintraub investigates boxing match betting fraud; Rath confesses to Charlotte, who asks him to find out more about Benni's death.
6. Episode 6
Rath brings Moritz to the castle; Charlotte tells a lawyer about the deaths among street children; Goldstein takes drastic measures.
7. Episode 7
As Rath takes part in a risky experiment, a brutal gang war breaks out in Berlin; widow Behnke tries to help Katelbach; Toni finds herself in danger.
8. Episode 8
Widow Behnke kicks off her high-stakes rescue plan; Stennes instigates a hall battle in the Moka Efti; Charlotte makes a secret observation.
9. Episode 9
Malu Seegers and Dr Völcker pursue a deadly plan; Charlotte makes a terrible discovery; Helga tries to escape from her kidnappers.
10. Episode 10
Despite Gennat's doubts, Rath organises a meeting with all of the wrestling club bosses; Malu rethinks her plan; Esther looks for work as a musician.
11. Episode 11
Rath is celebrated for his supposed coup; Charlotte meets a boxer; Stennes plots a coup against Hitler; Goldstein learns the truth about the diamond.
12. Episode 12
The SA and SS face each other in the Stennes Putsch; Wendt wants the police to intervene; Toni meets an ally.