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  "title": "Detective Investigation Files IV",
  "year": null,
  "type": "tv",
  "tmdbId": 210560,
  "region": "GB",
  "regionName": "United Kingdom",
  "directAnswer": "Detective Investigation Files IV is not currently listed on any UK streaming, rental, or purchase service. Last verified on 12 May 2026 by ScreenSearch.",
  "lastVerified": "2026-05-12T08:04:41.720Z",
  "lastVerifiedHuman": "12 May 2026",
  "metadata": {
    "overview": "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.",
    "tagline": "",
    "runtimeMinutes": 45,
    "genres": [
      "Drama",
      "Crime",
      "Mystery"
    ],
    "tmdbRating": 8,
    "tmdbVoteCount": 1,
    "releaseDate": null,
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    "numberOfSeasons": 1,
    "numberOfEpisodes": 50
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      "answer": "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."
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      "answer": "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."
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    {
      "question": "Is Detective Investigation Files IV on Netflix, Disney+ or Amazon Prime Video in the UK?",
      "answer": "Detective Investigation Files IV is not currently included with any major UK subscription service. It may still be available to rent or buy."
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      "question": "How accurate is this TV series's availability data?",
      "answer": "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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