Day One (2026): cast, story & where to watch
2026 · Series · ★ 6.5
Released in 2026, Day One is a drama and mystery series.
What it’s about. 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.
Who’s in it. Day One stars Álex González as Ulises Albet, Asier Etxeandia as Samuel Barrera, Alba Planas as Rebeca and Jordi Mollà as Diskin, among others.
How it landed. With an audience score of 6.5/10, Day One has drawn a solid, mixed-to-positive response.
Where to watch. In US you can stream it on Amazon Prime Video and Amazon Prime Video with Ads. See the full, country-by-country breakdown on our where to watch Day One page.
If you liked it. Fans of Day One tend to enjoy Breaking Bad, Better Call Saul, Demon Slayer: Kimetsu no Yaiba and Attack on Titan.
Frequently asked
- Where can I watch Day One (2026)?
- In US, Day One is available to stream on Amazon Prime Video and Amazon Prime Video with Ads. Availability varies by country — check our where-to-watch page for every region.
- Is Day One worth watching?
- Day One holds an audience score of 6.5 out of 10, and is a strong pick if you enjoy drama and mystery. Reactions are mixed, so it may depend on taste.
- Who stars in Day One?
- Day One stars Álex González, Asier Etxeandia, Alba Planas, Jordi Mollà and Renata Notni.
- When was Day One released?
- Day One was released in 2026.