The Secret of the Third Planet
1981, Russian. Directed by Roman Kachanov.
At the end of the 22nd century Alisa Seleznyova, her father Professor Seleznyov and pilot Zelyony go on a space expedition to find rare animals for Moscow Zoo. On the way they seem to encounter a mysterious conspiracy led by Doctor Verhovtsev against legendary Two Captains Kim and Buran. The only clue is a talking bird Сhatterer [Govorun] that our heroes accidentally took possession of.
- Runtime
- 0h 50m
- Post-credits
- None listed
- Language
- Russian
- Rated
- Check local
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Worth the Hype
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7.4/10 from 131 TMDB viewer ratings.
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Where to watch The Secret of the Third Planet
The Secret of the Third Planet is streaming on Eternal Family in India.
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Eternal FamilyAvailability in India as of 13 November 2026. Streaming data by JustWatch.
Cast & crew
- Roman KachanovDirector
- Olga GromovaAlisa Seleznyova (voice)
- Vsevolod LarionovPr. Seleznev / Сhatterer (voice)
- Yuri VolyntsevCaptain Zelyony (voice)
- Vasiliy LivanovGromozeka (voice)
- Grigoriy ShpigelJollier Oo (voice)
- Igor YasulovichEarer (voice)
- Vladimir DruzhnikovCaptain Kim (voice)
- Vladimir KenigsonRobot at Shelezyaka Planet (voice)
- Nikolay GrabbeCaptain Buran (voice)
- Pyotr VishnyakovDr. Verkhovtsev / Glot (voice)
- Yury AndreevNavigator Basov / Ushan (voice)
- Rina ZelyonayaOld Lady at the Spaceport (voice) (uncredited)
Details
- Released
- 31 July 1981
- Original title
- Тайна третьей планеты
- Country
- Soviet Union
- Written by
- Kir Bulychyov
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News & fan talk
What The Secret of the Third Planet is based on
The Secret of the Third Planet is based on Alisa's Voyage (1974) by Kir Bulychev.
1974
Alisa's Voyage
By Kir Bulychev
Source details from Wikidata and TMDB.
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The Secret of the Third Planet: quick answers
Is The Secret of the Third Planet worth watching?
Our verdict is Worth the Hype: Clear your evening for this. It scores 7.4/10 from 131 TMDB viewer ratings.
How long is The Secret of the Third Planet?
The Secret of the Third Planet runs 50 minutes (0h 50m).
Does The Secret of the Third Planet have a post-credits scene?
None is listed for The Secret of the Third Planet. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
The Secret of the Third Planet parents guide: is it suitable for kids?
No age rating is listed for The Secret of the Third Planet yet.
Which OTT platform is The Secret of the Third Planet on?
The Secret of the Third Planet is streaming on Eternal Family in India. (Checked 13 November 2026.)
What movies are like The Secret of the Third Planet?
If you liked The Secret of the Third Planet, try Titan A.E., Planet 51, LEGO Star Wars: The Mandalorian.
Who directed The Secret of the Third Planet?
The Secret of the Third Planet (1981) was directed by Roman Kachanov and stars Olga Gromova, Vsevolod Larionov, Yuri Volyntsev.
What is The Secret of the Third Planet based on?
The Secret of the Third Planet is based on Alisa's Voyage (1974) by Kir Bulychev.