Watch Online: Day One (2026)

Day One (2026) is an upcoming Spanish drama-mystery series set to premiere on Prime Video, bringing together a stellar international cast and creative team. If you're looking for compelling new drama to stream in 2026, this ambitious production from the creators behind innovative Spanish television deserves a spot on your watchlist.

What is Day One (2026)?

Day One promises to be a gripping exploration of human connection and moral complexity. The story centers on Ulises Albet, a brilliant computer scientist who navigates intricate personal relationships and ethical dilemmas alongside Samuel Barrera's parents, who become central figures in his life. Through their interconnected experiences and technological expertise, the series examines how our choices on pivotal moments can reshape everything.

Release Date & Episode Details

Day One is scheduled to premiere on March 13, 2026 on Prime Video. The inaugural season contains 1 episode, positioning this as a limited series event rather than a sprawling multi-season commitment. Currently, the project is in production, with the creative team finalizing post-production work ahead of its debut.

Full Cast & Talent

The series features an impressive ensemble cast including Álex González, Asier Etxeandia, Alba Planas, Jordi Mollà, Renata Notni, Ivan Massagué, and Mireia Oriol. This diverse lineup brings international recognition to the production, blending Spanish and Latin American talent for a truly cross-cultural drama experience.

Behind the Scenes: Creators & Production

• Directors & Creators: César Martí, Cristina Pons, Sara Fernández-Velasco
• Streaming Platform: Prime Video
• Production Companies: Zebra Producciones, NewCo Audiovisual, Documentales en Canarias S.L.
• Country of Origin: Spain
• Genre: Drama, Mystery
• Format: Television Series

Where to Watch Day One Online

Day One will be available to stream exclusively on Prime Video beginning March 13, 2026. Detailed streaming information and regional availability will be confirmed closer to the official premiere date. Bookmark this page to stay updated on how to watch online when the series launches.

Stay tuned for updates on trailers, additional cast announcements, and exclusive behind-the-scenes content as we approach the 2026 premiere.

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