Where to Watch in the US
Day One streaming guide
Streaming info last updated: August 3, 2026
Day One (2026) is a drama and mystery series from Spain. In the US, it streams on Amazon Prime Video by subscription. The series has 1 season and 6 episodes.
The easiest way to binge the series is with a subscription to Amazon Prime Video. For current subscription, rental, and purchase options and each platform’s direct “Watch” link, see the Where to Watch in the US section above. izlebunu hosts no content; it sends you straight to the streaming platform.
- SubscriptionAmazon Prime Video
- GenreDrama, Mystery
- OriginSpain · 2026
Seasons — where to watch?
Day One has 1 season, and in the US it’s available on Amazon Prime Video. Open a season to see its episodes and streaming options.
Plot
Barcelona, 2026. During Mobile World Congress week, Ulises Albet, a former tech prodigy turned anti-tech activist, becomes the prime suspect in a murder. As he escapes through a city under lockdown, he uncovers the imminent launch of a groundbreaking technology that could put humanity's ethical future at risk. To stop it, he must confront his past.
Cast
Álex GonzálezUlises Albet
Asier EtxeandiaSamuel Barrera
Alba PlanasRebeca
Jordi MollàDiskin
Renata Notni
Ivan Massagué
Mireia Oriol
Melina Matthews
Peter Vives
Àgata Roca
David Selvas
Mercè MartínezBetFrequently Asked Questions
Where can I watch Day One?
Day One is available in the US on Amazon Prime Video. You’ll find each platform’s current options and “Watch” links in the “Where to Watch in the US” section on this page.
Is Day One available with English subtitles or dubbing?
Audio and subtitle options for Day One depend on the platform. US streaming services usually offer English subtitles, and many foreign-language titles also have an English dub.
Where can I watch Day One with English subtitles?
Day One is available in the US on Amazon Prime Video. This platform usually offers English subtitles for foreign-language titles; turn them on in the player’s subtitle (CC) menu.
Is there an English dub of Day One?
That depends on the platform. If Amazon Prime Video offers an English dub, you can pick it from the player’s audio/language menu.
Which subscription includes Day One?
Day One is included with a subscription to Amazon Prime Video, so subscribers can watch it at no extra cost.
Can I watch Day One for free?
Not right now. In the US, Day One is only available with a subscription. We’ll update this page if a free option appears.
How many seasons and episodes does Day One have?
Day One has 1 season and 6 episodes in total. In the US, it’s available on Amazon Prime Video.
Where can I watch the latest season of Day One?
In the US, Day One is available on Amazon Prime Video; new episodes usually arrive on the same platforms as they air.
What genre is Day One?
Day One is a drama and mystery series from Spain.
Who stars in Day One?
The main cast of Day One includes Álex González, Asier Etxeandia, Alba Planas, Jordi Mollà, Renata Notni, and Ivan Massagué.
Can I watch Day One on my phone or smart TV?
Yes. Amazon Prime Video works on iOS and Android, in web browsers, and on most smart TVs, so you can watch Day One on the device of your choice.
When did Day One premiere?
Day One premiered in 2026.