In 2020, after the colonization of the moon, the spaceships Vega, Sirius and Capella are launched from Lunar Station 7. They are to explore Venus under the command of Professor Hartman, but an asteroid collides and explodes Capella. The leader ship Vega stays orbiting and sends the astronauts Kern and Sherman with the robot John to the surface of Venus, but they have problems with communication with Dr. Marsha Evans in Vega. Things seem to be going well until violent changes begin to rework the surface. Will they be able to escape the planet with their lives?
This film is also known as “Prehistoric Planet” and “Voyage to a Prehistoric Planet”.
According to IMDB and archive.org, this film was based on, inspired by, or a reediting of a similar Soviet Russian work Planeta Bura.