Can this really be the end of Downton Abbey's road? Sadly, yes.

PBS has debuted a new teaser for the upcoming final season that will have you reaching for tissues. It looks back on the series' run, with the heartbreaking tag, "Come home to Downton one last time."

Downton Abbey returns for its final season on Sunday, Jan. 3 on PBS' Masterpiece. What will you miss about Downton the most?