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Where to watch In the Line of Duty 4 (1989)
In the Line of Duty 4 is streaming on fuboTV in 2 countries, Watcha in 1 country and TVING in 1 country. In the US, you can watch it on fuboTV. It isn't on a subscription service in the UK right now.
In the Line of Duty 4
Two detectives who are up to their necks in trouble and in each other's face, as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation, innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime.
Also available regionally
fuboTV
Watcha
TVING
Quick answers
Is In the Line of Duty 4 on Netflix?
No. In the Line of Duty 4 isn't on Netflix in any country right now.
Is In the Line of Duty 4 on Prime Video?
No. In the Line of Duty 4 isn't on Prime Video in any country right now.
Is In the Line of Duty 4 on Disney+?
No. In the Line of Duty 4 isn't on Disney+ in any country right now.
Is In the Line of Duty 4 on Max?
No. In the Line of Duty 4 isn't on Max in any country right now.
Where can I watch In the Line of Duty 4 in the US?
In the US, In the Line of Duty 4 is streaming on fuboTV.
Where can I watch In the Line of Duty 4 in the UK?
In the Line of Duty 4 isn't on a subscription streaming service in the UK right now. A VPN lets you watch it from a country where it is streaming.
Where can I watch In the Line of Duty 4 in Canada?
In the Line of Duty 4 isn't on a subscription streaming service in Canada right now. A VPN lets you watch it from a country where it is streaming.
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Last updated October 7, 2026.