January 18, 2026
The Sky Original Documentary, Murder At The Post Office, Is To Air On Sky And The Streaming Service NOW

The three-part Sky Original true crime documentary, Murder At The Post Office, is coming to Sky and NOW. Watch the trailer here. 

Murder at the Post Office, a new three-part Sky Original true-crime documentary, will be coming to Sky and NOW on 29 December. The Academy Award-, Emmy Award-, and BAFTA Award-winning team at Lightbox produces the series.

THE PREMISE

In 2010, the Yorkshire village of Melsonby was thrown into disbelief when someone murdered postmistress Diana Garbutt in the post office she operated with her husband, Robin. Robin claimed she’d been the victim of a violent intruder, but as detectives probed further, suspicion began to fall on him.

Prosecutors claimed that behind the façade of a happy marriage lay deep marital and financial turmoil. They pointed out that £16,000 was missing from the safe. They argued that when Diana confronted Robin over the missing money, he killed her. In 2011, a court sentenced Robin Garbutt to life in prison.

Robin has always maintained his innocence. Over the last 14 years, he has unsuccessfully appealed his conviction three times. However, with one of the central planks of the prosecution coming from the Horizon system, the technology is now at the centre of the Post Office scandal. Robin and his legal team are once again attempting to clear his name.

Directed by Louise Malkinson, this series meticulously re-examines the case, featuring voices on both sides: those convinced Robin was wrongfully convicted and others who are unsure and still suspect he is guilty.

HAYLEY REYNOLDS

Hayley Reynolds, Head of Documentary Commissioning at Sky, said:

“Murder at the Post Office is a forensic piece of storytelling that examines the evidence, investigation, and unanswered questions still debated around the murder of Diana Garbutt. By sensitively drawing on a range of perspectives, it asks confronting questions about whether justice has been served.”

SUZANNE LAVERY

Suzanne Lavery, Creative Director, Lightbox, said:

“Producing Murder at the Post Office for Sky Documentaries, we were always mindful that at the heart of this story is the tragic loss of Diana Garbutt. Our aim was to approach her case with care while examining the questions that remain. With her husband’s conviction shaped in part by the now-discredited Horizon system, it felt essential to look again at what happened and whether justice was truly served.”

In a series that is gripping, persistent and emotionally charged, one central, burning question remains: is Robin Garbutt a cold-blooded killer, or a victim of the largest miscarriage of justice in British history?

BEHIND THE SERIES

The series is a Lightbox production, commissioned for Sky Documentaries. The series director is Louise Malkinson, and the executive producers for Lightbox are Suzanne Lavery, Simon Chinn, and Jonathan Chinn. Jules Hawkins and Anita Stewart produced it for Lightbox. The executive producers for Sky are Bruce Fletcher and Ziyaad Desai.

The Sky Original Documentary, Murder At The Post Office, Is To Air On Sky And The Streaming Service NOW

Murder at the Post Office will air on Sky and streaming service NOW on 29 December.

 

 

 

 

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