Watch Das Boot S01e04 -

: The rivalry between the inexperienced Captain Klaus Hoffmann and his seasoned, ambitious First Watch Officer, Karl Tennstedt , escalates. Tennstedt openly resents Hoffmann for his family pedigree, while the crew’s faith in their captain wavers following a tragic accident that cost a crewman his arm during torpedo loading.

: Simone Strasser finds herself increasingly torn. She discovers her brother Frank’s secret life, including a hidden Jewish bride and a child. Her loyalties are tested as she balances her job at the police headquarters under Gestapo Inspector Hagen Forster and her growing involvement with the French resistance led by Carla Monroe . Watch Das Boot S01E04

: Resistance member Carla Monroe plans and executes a daring operation. As the city struggles to recover from a previous explosion, Carla bombs a welcoming parade for another returning U-boat, intentionally triggering brutal reprisals to escalate the conflict. : The rivalry between the inexperienced Captain Klaus

: Despite the infighting, the crew manages to sink ships from a convoy and begins tracking another, though the atmosphere remains thick with mistrust. On Land: Resistance in La Rochelle She discovers her brother Frank’s secret life, including

The episode concludes with both Hoffmann and Simone facing the harsh reality that their previous lives are gone, replaced by a world of "doubts" where every decision carries fatal weight. If you'd like, I can: Detail the in later episodes. Provide a character breakdown for Hoffmann or Simone. Find where you can stream the series currently.

Back in the port of La Rochelle, the civilian world is just as dangerous.

Onboard the U-612, the crew is reeling from a disastrous confrontation with the enemy that has left their unity at a breaking point.