As of July 2026, THE DAYS Season 1 aired in 2023 with 8 episodes — streaming now on Netflix. Full episode guide and where to watch below.
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THE DAYS Season 1

2023 8 Episodes Drama · Crime ⭐ 8/10

Right now you can watch THE DAYS Season 1 on and — and it earns its twists rather than manufacturing them. A single, tightly-focused season means there is plenty to get through without ever feeling padded. 144 people have weighed in on TMDB, and the verdict leans heavily positive. Koji Yakusho's performance alone is worth the time investment. Put it on tonight and see for yourself.

There is a reason THE DAYS Season 1 keeps coming up in conversation. THE DAYS Season 1 treats its mystery as a means, not an end in itself. Season 1 of THE DAYS includes 8 episodes. It premiered in June 2023. This season stars Koji Yakusho, Yutaka Takenouchi and Fumiyo Kohinata. Koji Yakusho and Yutaka Takenouchi lead a cast that brings real weight to the material. It was aired in 2023. The plot mechanics of THE DAYS Season 1 never overwhelm the human cost underneath them. The hit rate here is high enough that skipping ahead never feels like an option.

If you cannot walk away from a good mystery, THE DAYS Season 1 will keep you hooked. If you have run out of similar titles to watch, this is a strong next pick. Short enough to finish in a weekend, substantial enough to feel satisfying. Koji Yakusho carries scenes that would sink a lesser production. The resolution feels inevitable rather than arbitrary, which is rarer than it sounds.

📡 Where to Watch THE DAYS Season 1

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 THE DAYS Season 1 — Episode Guide

E1
The Fukushima Daiichi Nuclear Power Plant Is Submerged
2023-06-01
March 11, 2011; 225 kilometers from Tokyo, a 15 meter high tsunami hits the Fukushima Daiichi Nuclear Power Station, damaging one of the cooling systems.
E2
No Need to Evacuate
2023-06-01
While still unable to get an assessment of the situation from Fukushima Daiichi, the government tells the public to stay calm and remain in their homes.
E3
Radioactive Emissions Will Be Minimal
2023-06-01
Pressure in the containment vessel starts to rapidly rise. With a catastrophic explosion imminent, TOEPCO suggests releasing the gas into the atmosphere.
E4
It Would Mean Turning Our Backs on Fukushima
2023-06-01
With the power still down, the valves will have to be opened manually. With heavy hearts, some workers ask if they can evacuate to a safer location.
E5
Our Company Has Lost Its Mind
2023-06-01
Station Manager Yoshida decides to use seawater as a cooling source, but TOEPCO headquarters tells him to wait for authorization from the administration.
E6
I Can No Longer Leave Here Alive
2023-06-01
When pressure in the containment vessel finally starts to decrease, TOEPCO headquarters want on-site workers to get back to work, but Yoshida is wary.
E7
Decide the Conditions for Evacuation
2023-06-01
As the administration and TOEPCO headquarters grow increasingly impatient, Station Manager Yoshida asks for permission to evacuate some on-site workers.
E8
A Scenario of Japan's Collapse
2023-06-01
The Prime Minister is informed that in a worst case scenario, a third of the country — including the Tokyo area — will become uninhabitable for decades.

🎭 Cast of THE DAYS Season 1

Koji Yakusho
Koji Yakusho
Masao Yoshida
Yutaka Takenouchi
Yutaka Takenouchi
Maekawa
Fumiyo Kohinata
Fumiyo Kohinata
Azuma
Kaoru Kobayashi
Kaoru Kobayashi
Furuya
Takuma Otoo
Takuma Otoo
Kinoshita
Ken Mitsuishi
Ken Mitsuishi
Murakami
Kenichi Endo
Kenichi Endo
Yuriko Ishida
Yuriko Ishida
Yuki Izumisawa
Yuki Izumisawa
Tomomi Maruyama
Tomomi Maruyama

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