Das Boot is a 1981 German epic war movie directed by Wolfgang Petersen. It stars Jürgen Prochnow, Herbert Grönemeyer, Klaus Wennemann, and Otto Sander. It is based on the 1973 movie Das Boot.
It is considered to be one of the greatest German movies ever made.[source?] It received many positive reviews from critics including Roger Ebert who gave the movie 4/4 stars.