# Where to watch THE_i　-what is Number_i- (2025) in the UK

> THE_i　-what is Number_i- (2025) is currently available to stream in the UK on Amazon Prime Video and Amazon Prime Video with Ads. Last verified on 14 May 2026 by ScreenSearch.

**Type:** TV series  
**Year:** 2025  
**Genres:** Documentary  
**Seasons:** 1  
**Region:** United Kingdom (GB)  
**Last verified:** 14 May 2026 (2026-05-13T23:19:07.557Z)  

## Synopsis

Announced at Tokyo Dome in October 2023 and debuting on New Year's Day 2024, Number_i has carved out its path. Their journey is captured in their first year-long documentary. Through behind-the-scenes footage and creator insights, the series explores how their music and identity take shape.

## Streaming options in the United Kingdom

### Stream (subscription)

- [Amazon Prime Video](https://www.amazon.co.uk/s?k=THE_i%E3%80%80-what%20is%20Number_i-&i=instant-video)
- [Amazon Prime Video with Ads](https://www.amazon.co.uk/s?k=THE_i%E3%80%80-what%20is%20Number_i-&i=instant-video)

## Frequently asked questions

**Where can I stream THE_i　-what is Number_i- in the UK?**

THE_i　-what is Number_i- (2025) is currently included in subscriptions to Amazon Prime Video and Amazon Prime Video with Ads in the United Kingdom. Sign-in is required to play. Streaming licences change occasionally — ScreenSearch refreshes its data daily.

**Are all seasons of THE_i　-what is Number_i- on the same service?**

Not always — TV licensing is sometimes negotiated season by season. ScreenSearch shows availability across all seasons on the title's page; for season-specific availability, look at the season picker inside the search dialog.

**Is THE_i　-what is Number_i- on Netflix, Disney+ or Amazon Prime Video in the UK?**

THE_i　-what is Number_i- is currently included with: Amazon Prime Video and Amazon Prime Video with Ads.

**How accurate is this TV series's availability data?**

Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.

## Sources

- Streaming availability: The Movie Database (TMDB), refreshed daily.
- Underlying licensing data: JustWatch.
- Canonical URL: https://www.screensearch.co.uk/watch/tv/295653/the-i-what-is-number-i-2025
- Poster image: https://image.tmdb.org/t/p/w500/om9M7MrBWtstfsOnIrUiyBWtPJh.jpg
- JSON variant: https://www.screensearch.co.uk/watch/tv/295653/the-i-what-is-number-i-2025.json

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