Das Boot season 4: release date, cast, plot, trailer and all about the latest series of the wartime U-boat drama

Das Boot season 4 sees Klaus Hoffman and the German submarine crew are ready for action.
Das Boot season 4 sees Klaus Hoffman and the German submarine crew are ready for action. (Image credit: Sky Deutschland)

Das Boot season 4 arrives on Sky Atlantic and Hulu in Autumn 2023 for more emotional and gripping wartime action. Yes It’s time to head back to the cramped and claustrophobic conditions of the German U-boats as the brutal submarine war in the Mediterranean Sea comes to a head in series four of the German-language drama.. This time, Das Boot hero submarine commander Klaus Hoffmann (Rick Okon) finds his way back to his sister Hannie (Rosalie Thomass) after a shared tragedy. The drama will also show how resistance to the Nazis is growing even within the Kriegsmarine’s own ranks.

Here’s everything you need to know about Das Boot season 4.  

Rik Okon as Klaus Hoffman in series 1 of Das Boot.

Rik Okon is back as as Klaus Hoffman in Das Boot season 4. (Image credit: Sky)

Das Boot season 4 release date 

Das Boot season 4 arrives in the UK on Sky Atlantic with a double bill on Wednesday October at 9pm. The whole series will be available on Sky Box Sets and streaming service NOW for the rest of 2023. This fourth series should arrive on Hulu in the US. There’s no confirmed US release date yet but we’ll update this page as soon as we hear anything, plus any more international air dates. 

Is there a trailer for Das Boot season 4?

Yes a trailer for Das Boot season 4 has now been released by Sky which you can watch below. Also, to whet your appetite even more, do take a look below that for the trailer for the previous series so you can recap...

Das Boot season 4 plot 

Das Boot season 4 catches up with the German submarine crew after the shocking events of season 3 and just as the war at sea comes to a head towards the end of World War II and intrigues and secrets spread throughout Berlin. Klaus Hoffman (Rick Okon) has returned to the German Reich from Portugal and reconnects with his sister Hannie (Rosalie Thomass). As submarine commander Klaus must travel to Naples on a secret mission to change the course of the war. Meanwhile Hannie wants to help the many orphans who have become the victims of the war and uncovers the secrets of the Nazi Reich. 

Klaus Hoffman has a submarine mission to Naples in Das Boot season 4.

Klaus Hoffman on a submarine mission to Naples in Das Boot season 4. (Image credit: Sky Deutschland)

Das Boot season 4 cast 

Das Boot season 4 sees Rick Okon return as Klaus Hoffman to head the cast while Franz Dinda is back as Robert Ehrenberg, alongside Florian Panzner as Albrecht Lessing, Anna Schudt as Bettina Gruber, Pierre Kiwitt, Johann von Bülow, Rainer Bock and Ernst Stötzner are also returning. 

New cast members include Sascha Gersak as Rahn, Jakub Horak as Bischof, plus Rosalie Thomass as Hannie Lessing, Rainer Bock as Heinrich Gluck, plus Wilson Gonzalez Ochsenknecht, Lara Mandoki, Stefan Murr, Marco Leonardi, Steffan Rhodri, Benjamin Dilloway and Joshua Collins.

Rosalie Thomass as Hannie Lessing and Rainer Bock as Heinrich Gluck.

Das Boot season 4 sees Rosalie Thomass as Hannie Lessing and Rainer Bock as Heinrich Gluck. (Image credit: Sky Deutschland)
Nicholas Cannon
TV Content Director on TV Times, What's On TV and TV & Satellite Week

I'm a huge fan of television so I really have found the perfect job, as I've been writing about TV shows, films and interviewing major television, film and sports stars for over 25 years. I'm currently TV Content Director on What's On TV, TV Times, TV and Satellite Week magazines plus Whattowatch.com. I previously worked on Woman and Woman's Own in the 1990s. Outside of work I swim every morning, support Charlton Athletic football club and get nostalgic about TV shows Cagney & Lacey, I Claudius, Dallas and Tenko. I'm totally on top of everything good coming up too.