Watch Downton Abbey Season 6, Episode 4 Online

Tom and Sybbie return to Downton, but the peace is disrupted by an unexpected visit from an old and dear friend. Baxter is faced with a dilemma after an encounter with Sergeant Willis, while Thomas struggles to fill Carson's shoes as butler. The newlyweds Mr and Mrs Carson return from their Scarborough honeymoon. Anna goes to London with Mary to deal with a crisis regarding her recent pregnancy, while her secrets seem likely to be exposed to Mr Bates. Daisy is not happy with Cora's attempts to help her father-in-law, and Mary has an admirer. Beginning in the years leading up to World War I, the drama centers on the Crawley family and their servants. "The sun is rising behind Downton Abbey, a great and splendid house in a great and splendid park. So secure does it appear, that it seems as if the way of life it represents will last for another thousand years. It won't". In season 2, the lives of the Crawley family and the servants who work for them has been changed forever, since the Great War was declared at the end of the last season.