John Craven and Anita Rani get into the Christmas spirit at Rockingham Castle, which is celebrating its 950th anniversary. Anita discovers that Charles Dickens was a regular visitor during the festive season, and would perform plays not only for the Lords and Ladies but also the servants.Anita forages for greenery to make a Christmas wreath, and John joins a wildlife survey to discover what is making their Christmas home in the castle's famous elephant yew hedge.Chef and food writer Romy Gill is hard at work in Rockingham's kitchen to create Christmas treats with the four young cooks she's met on her travels, while Adam Henson is on the trail of rogue mistletoe. Tom Heap looks at social eating and how it might be the answer to food poverty, social isolation and food waste, while Charlotte Smith finds out how our farmers are getting a raw deal for the produce they put on our plates.