TV series
Detective Investigation Files IV
Cantonese.
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.
- Seasons
- 1
- Episodes
- 50
- Episode length
- 45 min
- Status
- Still running
Coming soon
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Where to watch Detective Investigation Files IV
Detective Investigation Files IV hasn’t premiered yet.
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Latest episode
S4 E50: Episode 50
Aired 26 May 1999
Seasons 1
Cast & crew
Details
- Original title
- 刑事偵緝檔案Ⅳ
- Language
- Cantonese
- Country
- Hong Kong
- Type
- Scripted
Check ratings elsewhere
News & fan talk
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Detective Investigation Files IV: quick answers
Is Detective Investigation Files IV worth watching?
Detective Investigation Files IV doesn’t have enough ratings for a verdict yet, because it hasn’t premiered.
How many seasons of Detective Investigation Files IV are there?
Detective Investigation Files IV has 1 season and 50 episodes, about 45 minutes each.
Is Detective Investigation Files IV finished?
Detective Investigation Files IV is still listed as returning series; no new episode date is announced yet.
Which OTT platform is Detective Investigation Files IV on?
Detective Investigation Files IV hasn’t premiered yet. (Checked 11 November 2026.)
Detective Investigation Files IV parents guide: is it suitable for kids?
No age rating is listed for Detective Investigation Files IV yet.
What shows are like Detective Investigation Files IV?
If you liked Detective Investigation Files IV, try Barnaby Jones, 77 Sunset Strip, Agatha Christie's Marple.