VIDEO: Watch Trailer for DOWNTON ABBEY Final 'Christmas' Episode

SPOILER ALERT!! Spend one last Christmas with DOWNTON ABBEY the final episode, Christmas Day. While the historic drama wraps up this month on ITV, the final season will premiere on PBS in the U.S. on Sunday, January 3rd. Below, watch a trailer for the Christmas Episode.

A breakaway hit since it debuted on PBS in 2011, DOWNTON ABBEY -- a Carnival/MASTERPIECE co-production -- is widely credited with reigniting American viewers' passion for British drama. It is the top PBS drama of all time, the most popular series in MASTERPIECE's 44-year history, and one of the most-watched dramas on American television, frequently beating the competition in its Sunday night time slot. MASTERPIECE is presented on PBS by WGBH Boston.

With over 50 Emmy nominations, more than any other British show in Emmy history, DOWNTON ABBEY is one of the most honored series on television. It has won 11 Emmys, three Golden Globes, three Screen Actors Guild Awards, a Producers Guild Award, and three BAFTAs.

DOWNTON ABBEY is a Carnival Films/MASTERPIECE Co-Production written and created by Julian Fellowes. It is Executive Produced by Gareth Neame, Julian Fellowes, Liz Trubridge and Nigel Marchant. Chris Croucher is the Producer. The Executive Producer for MASTERPIECE is Rebecca Eaton.