(Original UK Edition) As wedding guests descend on Downton Abbey, including Cora’s formidable American mother, anticipation and friction builds. Meanwhile, Robert has shocking news that threatens to bring an end to Downton itself.

With the future of Downton hanging precariously in the balance Violet and Mary conspire to show Downton to its best advantage and win a financial lifeline from Martha. Mrs. Hughes faces some worrying personal news and the new footman’s progress rankles Thomas.

Rachel jeopardizes her "Funny Girl" lead when she auditions for a television pilot. Meawhile, Mercedes tries to help get Santana in on her recording deal.

[Season Finale] Rachel meets a famous television writer, whose eccentric personality catches Rachel off guard. Meanwhile, Sam and Mercedes deal with the pressure of commitment as their careers take off.

Step back in time with "The Family" as Eunice thinks back to her early days with Ed and Mama. Also, Tim plays a palace guard who refuses to allow the Queen through the gates unless he gets a popsicle.

Hollywood icon Shirley MacLaine talks about her new film, communicating with Sinatra after his death, UFO's and her "long night" with Jennifer Lawrence.