A SALUTE TO DOWNTON ABBEY
PBS, 9:00 p.m. ET
Downton Abbey is returning, as usual, shortly after the calendar turns to the New Year. But this year, before it returns, PBS is setting the scene, and the table, by presenting a retrospective of this series’ first five seasons. If you’ve never seen Downton Abbey, consider this special a 90-minute collection of Spoiler Alerts. Otherwise, enjoy. Check local listings.