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Day One (2026) – Official Series Trailer, Cast & Seasons
Day One at a Glance
Day One is a 2026 drama and mystery TV series featuring Álex González, Asier Etxeandia and Alba Planas. It first aired on March 13, 2026 on Prime Video and has 1 season and 6 episodes. The series has ended, with its last episode airing on March 13, 2026, and it is rated 6.4/10 by TMDB users across 18 votes.
Watch the official Day One trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Seasons & Episode Catalog (1)
Season 1
6 Episodes • 2026
Where “Day One” Fits in the 123Movies Catalog
Frequently Asked Questions About Day One
When did Day One first air?
Day One premiered on March 13, 2026 on Prime Video.
How many seasons does Day One have?
Day One has 1 season with 6 episodes in total, according to TMDB.
Is Day One still running?
No. Day One has ended. Its final episode aired on March 13, 2026.
Who stars in Day One?
Day One stars Álex González as Ulises Albet, Asier Etxeandia as Samuel Barrera, Alba Planas as Rebeca and Jordi Mollà as Diskin. The cast also includes Renata Notni, Ivan Massagué, Mireia Oriol and Melina Matthews.
What network is Day One on?
Day One aired on Prime Video.
What genre is Day One?
Day One is listed on TMDB as a mix of drama and mystery.
What is the TMDB score of Day One?
On TMDB it has an average user score of 6.4/10 from 18 votes.
Where can I watch the trailer for Day One for free?
You can watch the trailer for Day One, "DAY ONE (2026) | Trailer italiano della serie sci-fi spagnola di Prime Video", for free on this 123Movies page. It is embedded from YouTube.
What shows are similar to Day One?
Series TMDB recommends alongside Day One include Tell Me Lies (2022), Vanished (2026), The Rainmaker (2025), The Lost Flowers of Alice Hart (2023) and The Stolen Girl (2025).
Can I watch full episodes of Day One on 123Movies?
No. 123Movies only shows official trailers and series information. Full episodes are not hosted or linked on this site.
Tell Me Lies
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The Rainmaker
The Lost Flowers of Alice Hart
The Stolen Girl
Burning Body
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Why Didn't They Ask Evans?
The Girlfriend
Disclaimer
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