Solaris

A psychologist is sent to a space station orbiting a planet called Solaris to investigate the death of a doctor and the mental problems of cosmonauts on the station. He soon discovers that the water on the planet is a type of brain which brings out repressed memories and obsessions.

Currently you are able to watch "Solaris" streaming on FilmBox+. It is also possible to buy "Solaris" on Google Play Movies, Apple TV as download or rent it on Google Play Movies, Apple TV, Sky Store online.