“Das Boot” is a 1981 German war film directed by Wolfgang Petersen. It is based on the 1973 novel of the same name by Lothar-Günther Buchheim. The story follows the crew of a German U-boat during World War II and portrays their intense and harrowing experiences as they face the dangers of underwater warfare.

The film is highly regarded for its realistic depiction of submarine life, its suspenseful atmosphere, and its focus on the psychological and emotional struggles of the crew. It has been praised for its direction, performances, and technical achievements, and is considered one of the greatest war films ever made.