The 1943 Titanic movie is a truly insane piece of Nazi propaganda. Goebbels' passion project, the movie cost Germany a sum comparable at the time to the budget of the James Cameron movie...and then couldn't be released in Germany because it was a more effective piece of anti-Nazi propaganda than anti-British (and a movie about 1500 people dying while massive casualties were being suffered on the Eastern front was probably going to be more demoralizing than helpful).

While the title suggests a tragedy about a ship, most of the movie is actually obsessed with stock market manipulation - characters spend their time reading about stocks, talking about stocks, and trying to manipulate stocks. The main character is a German officer named Petersen who spends most of his time trying to get the ship to slow down, and whose coat allows anybody wearing it to give orders to the crew, regardless of who they may be. Eventually, an iceberg, U-Boat-like, sneaks up to the side of the ship and puts a hole in it.

This movie has to be seen to be believed: https://www.youtube.com/watch?v=3iYcVSwWj3s