Grünwald / Unterföhring– Bavaria Film and Sky Deutschland are currently developing an international event series Das Boot. It is based on the books Das Boot and Die Festung from Lothar-Günther Buchheim and is conceived as a sequel to the 1981 global blockbuster film. The series picks up on the events that happened at the end of the movie. The crew of the “U 96” returns to La Rochelle in 1942 and is immediately exposed to a severe air raid on the submarine harbour. A portion of the crew is killed.