ITV has unveiled the official promotional photo of the cast for the last ever episode of Downton Abbey.

Season 6 concluded on ITV last month and the period drama will end with a feature-length special on Christmas Day.

> Buy the complete Season 1-6 box set on Amazon.

The official synopsis for the final episode reads: “Mary endeavours to build bridges with her sister while Edith’s secret continues to pose a threat, despite having nothing left to lose. As Henry settles into the role of husband and stepfather, finding his place at Downton proves more difficult. Below stairs, Carson faces some personal challenges, which prove that even he is not invulnerable to change.”

What do you want to see in the last ever episode? Let us know below…