Complete released-series file · 2009–2010

Series 12

7 feature-length cases from the Tom Barnaby era, led by DCI Tom Barnaby with DS Ben Jones across the run.

Two empty leather chairs and contrasting case notebooks on a rural detective desk at dusk
Original Village Murder Casebook artwork—not a programme still.
Cases7

Episodes 17

First shown2009–2010

Year-level chronology

Settings7

Principal fictional places

Archive depth7/7

Expanded case files

Before you open the folder

What defines Series 12?

This run sits in the Tom Barnaby period and contains 7 cases. Its archive labels lean classic, with 4 cases carrying that tone.

Best entry point
The Dogleg Murders
Opening case
The Dogleg Murders
Final case
The Great and the Good
Recurring settings
Each principal setting appears once

Archive highlights

Three ways into Series 12

Editorial signposts drawn from the Casebook catalogue—not a claim that every murder needs a podium.

Who works these cases

Core cast in Series 12

Every lead detective, investigating partner and credited on-screen pathologist represented in this series.

Actor John Nettles at a public event in 2013
Photo: Man vyi · Public domain · displayed with a layout crop
Lead detective

John Nettles

Tom Barnaby · 7 cases

An English actor, author and narrator who was already a household name as Jersey detective Jim Bergerac. After Bergerac he spent five seasons with the Royal Shakespeare Company and later returned to television drama in Poldark.

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Investigating partner

Jason Hughes

Ben Jones · 7 cases

A Welsh actor who first became widely known as Warren Jones in the BBC drama This Life. His later television work includes Marcella and The Pact, alongside substantial theatre work at venues including the Donmar Warehouse and Royal Court.

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Forensic support

Barry Jackson

Dr George Bullard · 7 cases

An English stage and screen character actor whose career lasted more than five decades. His credits ranged from the landmark television play Cathy Come Home to Doctor Who, Barry Lyndon and many familiar British television dramas.

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Complete episode ledger

Every Series 12 case

7 expanded dossiers and 0 concise catalogue records, all linked in broadcast order.

  1. Episode01

    2009 · Whiteoaks Golf Club

    The Dogleg Murders

    A killing beside Whiteoaks' notorious thirteenth hole exposes gambling, class resentment and private debts at an exclusive golf club.

    ClassicWritten by Andrew PayneExpanded dossierLocation research openOpen case →
  2. Episode02

    2009 · Midsomer County

    The Black Book

    A rediscovered Victorian landscape sells for £400,000 before its former owner is killed and another painting disappears.

    DarkWritten by Nicholas MartinExpanded dossier3 mapped areasOpen case →
  3. Episode03

    2009 · Midsomer Parva

    Secrets and Spies

    A former agent is killed at a country house for retired spies, reviving a Cold War operation and the legend of a village beast.

    EccentricWritten by Michael AitkensExpanded dossier2 mapped areasOpen case →
  4. Episode04

    2009 · Midsomer University

    The Glitch

    A professor warns that his valuable computer breakthrough contains a dangerous flaw, placing research ethics against commercial pressure.

    ClassicWritten by Michael RussellExpanded dossierLocation research openOpen case →
  5. Episode05

    2009 · Little Worthy

    Small Mercies

    A man is found bound like Gulliver in a model village, beginning a case about families distorted by secrecy and scale.

    EccentricWritten by Peter J. HammondExpanded dossier4 mapped areasOpen case →
  6. Episode06

    2010 · Chettham Park

    The Creeper

    A celebrated cat burglar raids Midsomer while a writer planning to expose the Chettham family is smothered on their estate.

    ClassicWritten by Andrew PayneExpanded dossierLocation research openOpen case →
  7. Episode07

    2010 · Ford Florey

    The Great and the Good

    A sleepwalking teacher fears an intruder before two men are killed near her home during preparations for a school fundraiser.

    ClassicWritten by David HoskinsExpanded dossier3 mapped areasOpen case →