Every week for the fifth season of PBS's period drama Downton Abbey, Sophie Gilbert, Katie Kilkenny, and Joe Reid will discuss the intrigues, upstairs and downstairs, of public television's favorite Yorkshire manor. Kilkenny: Gone were weighty mentions of the godforsaken war memorial and land prices: The season five finale of Downton Abbey was split into two parts, the first a self-contained hunting party at Brancaster Castle in Northumberland, the second a heartfelt Christmas special back in Yorkshire with a final send-off for Tom.