Filming began in April 2017 for the Twentieth Series of Midsomer Murders. Returning to their main roles are Neil Dudgeon, Nick Hendrix and Fiona Dolman, and joining the cast will be Annette Badland who will portray Dr. Fleur Perkins, the new Chief Pathologist.

Acorn TV started streaming series 20 episodes on 3rd May 2018 and BritBox began on 4th May 2018. Both Acorn TV and Britbox are available to Amazon Prime members as add-on channels.

Midsomer_Murders_Series_20

Midsomer Murders Series 20

Main Cast
Name Portrayed by Occupation Notes
John Barnaby Neil Dudgeon Detective Chief Inspector, Causton CID
Jamie Winter Nick Hendrix Detective Sergeant, Causton CID                                             
Sarah Barnaby Fiona Dolman Wife of DCI Barnaby and Headmistress of Causton Comprehensive.
Fleur Perkins Annette Badland Chief Pathologist of Midsomer County.
Betty Barnaby Isabel Shaw Daughter of Sarah and John. Beginning in Series 20, Betty Barnaby is played by Isabel Shaw.
Episodes
Ep Nr Ep ID Title Director Writer Air Date
117 20.1 The Ghost of Causton Abbey Matt Carter Helen Jenkins 3 May 2018 US
10 March 2019 UK
Causton is buzzing at the opening of a new brewery on the site of a famously cursed Abbey. With the unveiling of a new beer, excitement turns to fear when a man is found boiled to death in one of the vats. Could this really be about beer? DCI Barnaby and DS Winter will need to work out the clues to catch the killer.
118 20.2 Death of the Small Coppers Paul Harrison Chris Murray 3 May 2018 US
17 March 2019 UK
When Mahesh Sidana - butterfly collector and founding member of an elite IQ society - is found murdered, pinned to a wall in a manner akin to his treasured butterfly specimens, DCI Barnaby and DS Winter are thrust into a crime that impacts not only on their community, but internationally. With the help of an old friend, can they catch the culprit before another victim is found?
119 20.3 Drawing Dead Toby Frow Jeff Povey 3 May 2018 US
19 May 2019 UK
Carver Valley’s comic festival is in full swing when the village is shocked by the murder of a former supermodel. With a scathing comic shaming several villagers as the only lead, DCI Barnaby and DS Winter are left trying to separate fact from fiction.
120 20.4 The Lions of Causton Matt Carter Nicholas Hicks-Beach 3 May 2018 US
26 August 2019 UK
DCI Barnaby gets to relive his former days of sporting glory when a death at the local Rugby Club sends Barnaby and DS Winter into a muddle of rucks and old grudges.
121 20.5 Till Death Do Us Part Audrey Cooke Helen Jenkins 3 May 2018 US
6 January 2020 UK
DCI Barnaby is less than impressed when Sarah drags him to a family friend’s wedding. But things soon go from bad to worse when tragedy strikes, and Barnaby is called into action to catch a murderer with an apparent penchant for local brides.
122 20.6 Send in the Clowns Nick Laughland Julia Gilbert 3 May 2018 US
14 January 2020 UK
Things take a gruesome turn when Ferabbees Circus comes to town, bringing with it a chain of sinister clown sightings, threatening notes and deathly dangerous circus acts. DCI Barnaby will have to face up to his fears in order to solve the case.
Midsomer Murders - Series  
1   •   2   •   3   •   4   •   5   •   6   •   7   •   8   •   9   •   10   •   11   •   12   •   13   •   14   •   15   •   16   •   17   •   18   •   19   •   20   •   21
Community content is available under CC-BY-SA unless otherwise noted.