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7.42025 · Returning Series1 seasons6 episodesHD · Subtitles

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“No one survives alone”

About The Eternaut

After a devastating toxic snowfall kills millions, Juan Salvo and a group of survivors in Buenos Aires must resist an invisible threat from another world.

The Eternaut runs for 1 season, created by Bruno Stagnaro. Every episode page keeps the show's order, so you can watch from the pilot to the finale without hunting for the next link. Episodes are bought individually for 1 credit.

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Episodes

Season 1 · 6 episodes

A Night of Cards

An eerie snowfall disrupts Juan's card night with friends. As tensions rise, they craft a suit for him to brave the storm and find his daughter.

2025-04-30 45m★ 7.6Now playing

Step into the Sun

Salvo braves a ravaged Buenos Aires to reach Elena and Clara's apartment, discovering that human survival instincts can be as deadly as the toxic snow.

2025-04-30 44m★ 7.5

Magnetism

Searching Clara's school for clues, Juan and Elena meet Pablo, a student in distress. Meanwhile, Tano attempts radio contact as Juan's visions intensify.

2025-04-30 59m★ 7.3

The Creed

Tano and Juan head downtown, where they encounter a barricade and army forces. Confronted by a sudden threat, they receive help from an unexpected lot.

2025-04-30 56m★ 7.4

Horizon

The group heads for the island, with Tano making a tough choice to ensure passage. On the way, they discover a refugee camp inside a deserted mall.

2025-04-30 49m★ 7.1

Cold Tomato Juice

After a risky train mission back to the city, a mysterious bright light lures Juan away, leading him to an unimaginable discovery.

2025-04-30 68m★ 7.3

Season 1

The Eternaut FAQ

How much does it cost to watch The Eternaut?

Episodes cost 1 credit each. Credits are $1 each, so a full season costs the number of episodes in credits. Each episode you unlock stays in your account permanently.

Do I need an account to watch The Eternaut?

Yes. Create an account and add credits before unlocking an episode. Signing up is free and only needs an email and password.

How many seasons of The Eternaut are there?

The Eternaut has 1 season on Cineby, with 6 episodes in total. Start with season 1 below.

Where should I start watching The Eternaut?

Start with season 1, episode 1. The episode list on this page keeps the order, and the player moves to the next episode when one ends.

Can I watch The Eternaut with subtitles on my phone?

Yes. The player includes a CC menu where available, and the whole site is built for mobile. Fullscreen and picture-in-picture are supported.