Mystery of the Third Planet (Тайна третьей планеты)
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Release info:
The.secret.of.the.third.planet.1981.EN
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Captain Zelyony, Professor Seleznyov and his daughter Alisa Selezneva set out from Earth aboard the Pegasus starship, seeking out new animal species for the Moscow Zoo. Visiting the Moon as a resting point, Seleznyov meets his friend, Gromozeka the alien archaeologist, who advises him to turn to the Planet of Two Captains, a huge museum dedicated to Captains Kim and Buran who went around the whole universe on their ship...