Where to watch Fastening Days 4 (2019) in the UK
Fastening Days 4 (2019) is not currently listed on any UK streaming, rental, or purchase service. Last verified on 6 May 2026 by ScreenSearch.
Yoji, Kei, Kelly, and the bear-shaped robot Oscar save the town yet again using Fastening Machines! This time, they meet a kindhearted young boy named Samhen and his AI robot Jack. Shy Samhen, who transfers into Kei and Kelly's class, doesn't seem to like talking about himself much, but his chatty little buddy Jack is more than happy to help him communicate. One peaceful afternoon, the young heroes must protect the town from sudden and serious danger! Will they be able to save everyone? Pay attention to the bond between AI and humans, which the children take action to protect!
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
This may be because: (a) the title hasn't been released in the UK yet, (b) it's on physical media only, or (c) the licence has temporarily lapsed. Streaming availability changes frequently — check back daily.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in Fastening Days 4.
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Fuyuka OnoYoji (voice) -
Ryoko ShiraishiKei (voice) -
Akemi KandaKelly (voice) -
Sayuri YahagiSamhen (voice) -
Rie KugimiyaJack (voice) -
Ami MatsushimaSamhen's mother (voice) -
Hikaru AkaoGirl 1 (voice) -
Hana SatoGirl's mother (voice)
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Fastening Days 4 — frequently asked questions
Where can I watch Fastening Days 4 in the UK?
Fastening Days 4 (2019) is not currently listed by any UK streaming, rental, or purchase service in our daily-updated TMDB feed. It may be on physical media, an aggregator, or pending a UK release. Check back later — availability changes frequently.
Are all seasons of Fastening Days 4 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 Fastening Days 4 on Netflix, Disney+ or Amazon Prime Video in the UK?
Fastening Days 4 is not currently included with any major UK subscription service. It may still be available to rent or buy.
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.
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