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TV series

Day One

Latest episode

S1 E6

About Day One

Day One is a mystery and drama TV series that premiered on Prime Video on March 13, 2026. It has 1 season and 6 episodes so far and has ended. The latest episode, Season 1 Episode 6, aired on March 13, 2026.

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.

  • Mystery
  • Drama

Last updated

Episodes

6 episodes · 1 season

Season 1

2026 · 6 episodes · Last episode: 8 months ago

Day One Season 1 release dates →
  1. Day One S1 E6 still E6

    6. Episode 6

    Finale

    Ulises and Rebeca are taken to Diskin's headquarters under the threat of Inspector Moreno. Meanwhile, Beth considers betraying the magnate and seeks Salvador's help. Diskin reveals the true purpose of the lenses and asks Ulises for his collaboration. As the global launch begins, evidence of the technology's danger breaks into the live broadcast, exposing the truth.

  2. Day One S1 E5 still E5

    5. Episode 5

    Ulises and Rebeca go to the Synchrotron. They need the power of the accelerator to obtain definitive proof that could stop 'Day One'. When they activate the contact lenses to infiltrate the facility, Diskin tracks them. A chase erupts inside the accelerator. Separated and cornered, Ulises escapes outside, where he comes face to face with Inspector Moreno, who aims... and fires.

  3. Day One S1 E4 still E4

    4. Episode 4

    Rebeca is questioned by the police while Ulises becomes the prime suspect in another murder. When they reunite, they finally access Pandora and uncover its true nature. Unaware that she is being controlled through the contact lenses, Rebeca exposes their location. Biran heads toward their location, as both the police and Diskin close in.

  4. Day One S1 E3 still E3

    3. Episode 3

    Ulises goes into hiding with Rebeca, the only witness who can prove his innocence. Together they discover where Pandora may be hidden, but Rebeca secretly activates the technology, exposing their location. Diskin sends his mercenary to close all loose ends. As violence erupts, Ulises loses everything and is forced to run once again.

  5. Day One S1 E2 still E2

    2. Episode 2

    With no trace of Pandora, Ulises turns to Paula, who shows him another video revealing the killer. The only person who can clear him is Rebeca, whose social media activity puts her in Diskin's sights. Determined to protect the launch of Day One, Diskin intervenes through the technology itself, erasing evidence and sending a mercenary to silence all witnesses.

  6. Day One S1 E1 still E1

    1. Episode 1

    After years in isolation, Ulises returns to Barcelona when his former partner asks for help decrypting Pandora, the code behind a revolutionary technology. The reunion ends in murder, turning Ulises into the main suspect. As a video of his escape goes viral, tech mogul Damián Diskin prepares to launch Day One, and Ulises realizes that nothing - not even his friend's death - is what it seems.

Cast & crew

  • Xavi Francés

    Perdomo

  • Christian Reyes

    Agente de Seguridad Diskin

  • Nuris Blu

    Nuris Blu

    Assistant

Day One FAQ

Will there be new episodes of Day One?

Day One has ended, so no new episodes are scheduled. The final episode aired on March 13, 2026.

When did the latest episode of Day One come out?

The most recent episode of Day One, Season 1 Episode 6, aired on March 13, 2026.

How many seasons of Day One are there?

Day One has 1 season with 6 episodes in total.

When did Day One first air?

Day One first aired on Prime Video on March 13, 2026.

How do I get notified when new episodes of Day One are released?

Download the Streambay app, follow Day One, and you'll get a push notification the moment each new episode is released.

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