Article Photos: Plot spoilers pose 'Downton Abbey' challenge



This undated publicity photo provided by PBS shows Maggie Smith as the Dowager Countess, left, and Shirley MacLaine as Martha Levinson from the TV series, "Downton Abbey." The third season premiere airs in the U.S. on Sunday, Jan. 6, 2013 on PBS. (AP Photo/PBS, Carnival Film & Television Limited 2012 for MASTERPIECE, Nick Briggs)

This undated publicity photo provided by PBS shows Maggie Smith as the Dowager Countess, left, and Shirley MacLaine as Martha Levinson from the TV series, "Downton Abbey." The third season premiere airs in the U.S. on Sunday, Jan. 6, 2013 on PBS. (AP Photo/PBS, Carnival Film & Television Limited 2012 for MASTERPIECE, Nick Briggs)