Complete released-series file · 2019–2020
Series 20
6 feature-length cases from the John Barnaby era, led by DCI John Barnaby with DS Jamie Winter across the run.
Episodes 1–6
Year-level chronology
Principal fictional places
Expanded case files
Before you open the folder
What defines Series 20?
This run sits in the John Barnaby period and contains 6 cases. Its archive labels lean eccentric, with 4 cases carrying that tone.
- Best entry point
- The Ghost of Causton Abbey
- Opening case
- The Ghost of Causton Abbey
- Final case
- Send in the Clowns
- Recurring settings
- Causton (3)
Archive highlights
Three ways into Series 20
Editorial signposts drawn from the Casebook catalogue—not a claim that every murder needs a podium.
The Ghost of Causton Abbey
A brewery in the ruins of a supposedly cursed abbey produces a body in a vat and a victim with two identities.
Episode 1 →Casebook focus · LandmarkThe Ghost of Causton Abbey
Dr Fleur Perkins arrives in a case that mixes craft branding, folklore and insurance fraud.
Open the case →Filming trailThe Ghost of Causton Abbey
2 broader filming areas are already connected to this file.
Follow the places →Who works these cases
Core cast in Series 20
Every lead detective, investigating partner and credited on-screen pathologist represented in this series.
Neil Dudgeon
John Barnaby · 6 casesAn English actor whose television work before Causton included Piece of Cake, The Mrs Bradley Mysteries, Messiah and the sitcom Life of Riley. He also appeared in Midsomer Murders years earlier as a different character in Garden of Death.
Open actor profile →Nick Hendrix
Jamie Winter · 6 casesAn English actor trained at the University of Exeter and RADA. His theatre work includes the National Theatre, Old Vic and West End, while his screen credits include Black Mirror, Marcella, The Crown, Legend and Suffragette.
Open actor profile →
Annette Badland
Dr Fleur Perkins · 6 casesAn award-winning English actor with an extensive career in theatre, television, film and radio. Her many recognisable roles include Doctor Who, EastEnders, Outlander, Bergerac and pub landlady Mae in Ted Lasso.
Open actor profile →Complete episode ledger
Every Series 20 case
6 expanded dossiers and 0 concise catalogue records, all linked in broadcast order.
- Episode01
2019 · Causton
The Ghost of Causton Abbey
A brewery in the ruins of a supposedly cursed abbey produces a body in a vat and a victim with two identities.
- Episode02
2019 · Little Crosby
Death of the Small Coppers
A butterfly collector is displayed like one of his specimens, drawing Barnaby into an exclusive society for exceptional minds.
- Episode03
2019 · Carver Valley
Drawing Dead
A comic convention appears to predict a sequence of killings connected to the night a local woman was badly injured.
- Episode04
2019 · Causton
The Lions of Causton
The owner who transformed Causton's rugby club is frozen in a treatment chamber before a second victim dies in chocolate.
- Episode05
2020 · Causton
Till Death Do Us Part
A radio presenter is murdered on her wedding night after months of harassment, then another woman dies at a bridal fashion show.
- Episode06
2020 · Swynton Magna
Send in the Clowns
A touring circus loses a performer in the ring before a sabotaged sword act turns another volunteer into a victim.