<p>This photo released by PBS and Carnival Film and Television Limited shows, from left, Michelle Dockery as Lady Mary, and Joanne Froggatt as Anna Bates, in a scene from season four of the Masterpiece TV series, "Downton Abbey."</p>
January 3, 2014
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January 3, 2014 8 p.m.
Fans are up for 'Downton Abbey' starting season 4
Episode airs 9 p.m. Sunday on PBS
NEW YORK - As it returns for its much-awaited fourth season, "Downton Abbey" remains a saga about elegance, tradition and gentility - and the pressures of preserving them.