Dark Gallifrey finale brings the Third Doctor face to face with the Decayed Master

Big Finish has released the final part of its Decayed Master trilogy digitally, with Tim Treloar’s Third Doctor confronting Geoffrey Beevers’ Master.

Dark Gallifrey: The Decayed Master – Part Three is available digitally from Big Finish. Released September 10, it concludes Lauren Mooney and Stewart Pringle’s horror-focused audio trilogy. Geoffrey Beevers returns as the Master opposite Tim Treloar’s Third Doctor. The story follows a pursuit through dangerous routes

across time, with a confrontation in medieval York leaving traces that the Doctor discovers on a modern ghost tour. Big Finish identifies this as the first direct stand-off between Treloar’s Third Doctor and the Master, distinguishing it from his earlier participation in The Light at the End . The release is a

full-cast audio drama and the third instalment of an ongoing story. Digital listening is available immediately; Big Finish says collector’s CDs will ship later under its current digital-first schedule. Buying a CD edition therefore should not be mistaken for confirmation of immediate physical dispatch. Where to start

and how long to allow For this three-part story, follow the numbered release order. Big Finish labels these releases 6.1, 6.2 and 6.3 within the wider Dark Gallifrey range; the final number identifies the part of this trilogy. Part One — July 2026, 73 minutes. Part Two — August 2026, 74 minutes. Part Three — September

2026, 78 minutes. Those listed durations add up to 225 minutes, or three hours and 45 minutes . Start with Part One if you want to follow the trilogy from its beginning, rather than entering at the September finale. Part One introduces Longmoss House at Christmas in 1896. Part Two shifts to an eighteenth-century

Venetian mask-maker and his dangerous history, before Part Three brings the pursuit to York. These are brief setting descriptions, not a reconstruction of the plot or its ending. Download or CD? All three official listings offer a download option and a CD-plus-download option. A trailer on each product page provides a

sample of the production before purchase. The format is performed audio drama, so listeners looking for a single-narrator reading should check that distinction. The numbered parts and running times above describe this trilogy. They do not establish a mandatory listening order for every other Dark Gallifrey release.

Read the official announcement Headline image: Big Finish Productions / BBC. Official promotional material supplied through the linked source.

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