Where to watch Detective Investigation Files IV in the UK
Detective Investigation Files IV is not currently listed on any UK streaming, rental, or purchase service. Last verified on 20 August 2026 by ScreenSearch.
Detective Investigation Files IV (Chinese: 刑事偵緝檔案IV) is the 4th and final installment of the Detective Investigation Files TV franchised by TVB in Hong Kong. It is a complete reboot of the series, with new cast. The series focuses on the lives of two detectives, Tsui Fei (Louis Koo) and Kong Chi Shan (Sunny Chan), and the murder cases they deal with.
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.
Is Detective Investigation Files IV on Netflix, Disney+ or Prime Video?
Quick answers for the UK's biggest streaming services, checked against today's data.
Netflix
No — Detective Investigation Files IV is not currently on Netflix in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Amazon Prime Video
No — Detective Investigation Files IV is not currently on Amazon Prime Video in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Disney+
No — Detective Investigation Files IV is not currently on Disney+ in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Cast & crew
Top-billed cast in Detective Investigation Files IV.
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Detective Investigation Files IV — frequently asked questions
Where can I watch Detective Investigation Files IV in the UK?
Detective Investigation Files IV 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 Detective Investigation Files IV 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 Detective Investigation Files IV on Netflix in the UK?
No — Detective Investigation Files IV is not currently on Netflix in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Is Detective Investigation Files IV on Amazon Prime Video in the UK?
No — Detective Investigation Files IV is not currently on Amazon Prime Video in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Is Detective Investigation Files IV on Disney+ in the UK?
No — Detective Investigation Files IV is not currently on Disney+ in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
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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