Marble Hall Murders: where to watch all six episodes now
For the UK, check BBC iPlayer. Anthony Horowitz announced all six episodes there from 26 September 2026. In the US, PBS lists all six episodes, with Passport access indicated. Access depends on your location and account.
Marble Hall Murders is the third television adaptation centred on editor Susan Ryeland and fictional detective Atticus Pünd. The BBC One premiere aired on Saturday 26 September 2026 at 9:35pm. Earlier US transmission began on PBS Masterpiece on 6 September.
Lesley Manville and Tim McMullan return. Anthony Horowitz adapted his novel for television, with Rebecca Gatward directing. All six television episodes now have their own guides.
The source novel concerns Susan’s work on a continuation Pünd manuscript by Eliot Crace and questions surrounding the death of children’s author Miriam Crace. Book differences stay inside closed spoiler sections.
Sources: BBC programme research record and PBS Masterpiece official programme, episode and video pages. Checked 20 September 2026.
Press chronology
2020
Magpie Murders adaptation announced
Eleventh Hour Films / Masterpiece
10 Feb 2022
Magpie Murders UK BritBox release
BritBox history
16 Oct 2022
Magpie Murders US premiere
PBS Masterpiece
1 Apr 2023
Magpie Murders BBC One premiere
BBC
15 Sep 2024
Moonflower Murders US premiere
PBS Masterpiece
16 Nov 2024
Moonflower Murders BBC One premiere
BBC
Mar 2025
Marble Hall Murders filming reported under way
Production reporting
6 Sep 2026
Marble Hall Murders US premiere
PBS Masterpiece
26 Sep 2026
Marble Hall Murders BBC One premiere
BBC / author announcement
Read or listen to the Susan Ryeland books
Magpie Murders (2016)
Anthony Horowitz’s novel behind the first television mystery.