E1Ladder to the Stars
Where to watch
Not available in Japan
Streaming in 9 other countries
Cosmos isn't on any streaming service in Japan right now, but it's available in Austria, Canada, France, Germany and 5 more. Streaming rights are licensed per country.
Seasons & Episodes
E1
E2The Fleeting Grace of the Habitable Zone
E3Lost City of Life
E4Vavilov
E5The Cosmic Connectome
E6The Man of a Trillion Worlds
E7The Search for Intelligent Life on Earth
E8The Sacrifice of Cassini
E9Magic Without Lies
E10A Tale of Two Atoms
E11Shadows of Forgotten Ancestors
E12Coming of Age In The Anthropocene
E13Seven Wonders of The New World
Cast
More like this
NOVA
1974 · 7.0
Horizon
1964 · 7.4
Universe
2021 · 7.6
The Planets
2019 · 8.3
The Universe
2007 · 8.0
Our Universe
2022 · 7.8
Cosmos: A Personal Voyage
1980 · 8.6
Alien Worlds
2020 · 6.8
Life After People: The Series
2009 · 7.3
Grand Designs
1999 · 7.1
Jazz
2001 · 7.5
Through the Wormhole
2010 · 7.7
Cosmos — streaming FAQ
Which OTT platform streams Cosmos?
Cosmos isn't on any streaming service in Japan yet, but it's available in Austria, Canada and Germany and other countries. Streaming rights differ by country — switch your country in the header to see where.
Is Cosmos on Netflix?
No, Cosmos is not on Netflix in Japan as of August 2026.
Is Cosmos on Amazon Prime Video?
No, Cosmos isn't on Amazon Prime Video in Japan right now.
Where can I watch Cosmos for free?
Cosmos isn't streaming in Japan yet, so there's no way to watch it free at the moment.
How many seasons are in Cosmos?
Cosmos has 2 seasons in total (26 episodes). The series concluded in 2020.
Are all episodes of Cosmos out yet?
Yes — all 26 episodes across 2 seasons of Cosmos are out and available to stream.
Is there a Season 3 of Cosmos?
No — Cosmos ended after 2 seasons, so there is no Season 3.