Spoiler-free synopsis
The Watcher observes realities in which one decision changes the fate of familiar characters. Each adventure offers a variation on the Marvel universe, with connections that expand as the anthology progresses.
What to watch before and after
It is more enjoyable after getting to know the films it reimagines. This is animation about alternative universes: its episodes do not replace events in the films.
Where to watch in Spain
Open the title directly on the platform. Availability refers to Spain; seasons and audio languages may vary. A subscription may be required.
Links reviewed: 2026-09-22.