Soviet three-part television feature film based on the novels by Jules Verne «20, 000 Leagues Under the Sea» and «Steam House».

The sea monster destroys warships, and the famous Professor Aronax sets out on a punitive expedition. After an unsuccessful battle with the monster, the ship sinks, and the professor, his servant Conseil and the whaler Ned Land get on a submarine and make an amazing journey underwater.—zoroman2008