The 20 most popular British Detective Shows?

Written by Mike Stotter

 
  • Line of Duty tops the list with 502,000 searches per month in the UK 
  • Midsomer Murders stays in the top ten with 62,000 searches 

Britain has always loved detectives. From the days of Sir Arthur Conan Doyle and Dame Agatha Christie to the present day, brits have enjoyed the intrigue of the genre. 

 

Since 1955, almost 25% of British television has been crime dramas, police procedurals or detective dramas. Casino and iGaming experts at online.casino have analysed search volume for ninety series dating from 19622023 and have compiled a list of the top 20. 

 

Line of Duty tops the list with 502,000 searches per month. Airing on the BBC and lasting for six seasons, Line of Duty follows Detective Seargent Steve Arnott, a former authorized firearms officer after he is transferred to AC-12, a unit tasked with uncovering police corruption 

 

Unforgotten comes in second with a search volume of 151,000 per month. Starring Nicola Walker as DCI Cassie Stuart and Sanjeev Bhaskar as DI Sunil Khan, Unforgotten focuses on past crimes and buried secrets. Series five airs on ITV in February 2023 

 

Death in Paradise holds third place with 133,000 searches. Set in the Carribean, the show is unique for having four different actors play the lead detective throughout its eleven series. The most recent and longest serving actor is Ralf Little as DI Neville Parker and the series is currently airing on the BBC.   

 

The longest running show in the top 20, Silent Witness is in fourth place with 110,000 monthly searches. Currently airing on the BBC, series 26 follows Dr Nikki Alexander (Emilia Fox) and her team of forensic pathologists. 

 

Endeavour lands in fifth place with 77,000 searches per month. Endeavour follows Inspector Morse through his early career as a police constable. Series nine will air on ITV in February 2023. 

 

 
 
 
 
 
 

Rank 

 
 
 
 

Show 

 
 
 
 

Search Volume 

 
 
 
 

Star Rating 

 
 
 
 

Air date 

 
 
 
 

1 

 
 

Line of Duty 

 
 

502,000 

 
 

8.7 

 
 

2012-2021 

 
 
 
 

2 

 
 

Unforgotten 

 
 

151,000 

 
 

8.3 

 
 

2015 - ongoing 

 
 
 
 

3 

 
 

Death in Paradise 

 
 

133,000 

 
 

7.8 

 
 

2011- ongoing 

 
 
 
 

4 

 
 

Silent Witness 

 
 

110,000 

 
 

7.9 

 
 

1996 - ongoing 

 
 
 
 

5 

 
 

Endeavour 

 
 

77,000 

 
 

8.6 

 
 

2012 - 2023 

 
 
 
 

6 

 
 

Vera 

 

 
 

62,000 

 
 

8.1 

 
 

2011 - ongoing 

 
 
 
 

7 

 
 

Midsomer Murders 

 

 
 

62,000 

 
 

7.9 

 
 

1997 - ongoing 

 
 
 
 

8 

 
 

The Fall 

 
 

58,000 

 
 

8.1 

 
 

2013-2016 

 
 
 
 

9 

 
 

The Missing 

 
 

56,000 

 
 

8.2 

 
 

2014-2016 

 
 
 
 

10 

 
 

Shetland 

 
 

55,000 

 
 

8.2 

 
 

2013 - ongoing 

 
 
 
 

11 

 
 

Grantchester 

 
 

54,000 

 
 

7.9 

 
 

2014-2023 

 
 
 
 

12 

 
 

Whitechapel 

 
 

54,000 

 
 

7.8 

 
 

2009-2013 

 
 
 
 

13 

 
 

River 

 
 

53,000 

 
 

8.0 

 
 

2015 

 
 
 
 

14 

 
 

Happy Valley 

 
 

48,000 

 
 

8.5 

 
 

2014-2023 

 
 
 
 

15 

 
 

Sherlock 

 
 

37,000 

 
 

9.1 

 
 

2010-2017 

 
 
 
 

16 

 
 

Zen 

 
 

34,000 

 
 

7.7 

 
 

2011 

 
 
 
 

17 

 
 

Luther 

 
 

29,000 

 
 

8.4 

 
 

2010-2019 

 
 
 
 

18 

 
 

Father Brown 

 
 

29,000 

 
 

7.8 

 
 

2013 - ongoing 

 
 
 
 

19 

 
 

Agatha Raisin 

 
 

27,000 

 
 

7.2 

 
 

2014 - ongoing 

 
 
 
 

20 

 
 

Broadchurch 

 
 

26,000 

 
 

8.4 

 
 

2013-2017 

 

Rounding out the top ten are Vera in sixth place, Midsomer Murders in seventh, The Fall in eighth, The Missing in ninth and Shetland in tenth. 

 

Grantchester, whose final series begins airing this year, just misses out and comes in eleventh place.  

 

Happy Valley, currently airing its final series on the BBC, comes in fourteenth place despite high fan ratings on IMDB. 

 

A spokesperson for online.casino had this to say about the findings: 

Line of Duty’s final episode was watched by 12.8 million viewers, the most watched episode of any drama since 2002. Two years later, it’s clear that people are still talking about the series, and this is what any crime drama aims towards.  

 

Seeing long runners like Midsomer Murders alongside stand-alone series like Zen and River shows that the public’s appetite for drama is still going strong and it’s interesting that of all the top 20 shows, nine of them have finished in the last seven years. 

 

It’s amazing to see shows that have been running for over twenty years can still get people talking and we will have to wait and see if Line of Duty can be toppled.” 

Mike Stotter



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