Downton Abbey Returns this Sunday on KTTZ! By Staff • Jan 3, 2014 ShareTwitter Facebook Google+ Email You've endured the wait, and now the doors of Downton Abbey are about to swing open for a moving and memorable new season! Don't miss the premiere of Downton Abbey Season 4 this Sunday, January 5, 2014, 8pm on KTTZ. Tags: KTTZ-TVTexas Tech Public BroadcastingpbsDownton Abbey Related Content KTTZ Photos of the Downton Abbey Season 4 Premiere! 1 year ago News: Fifth Season of Downton Abbey to Air on MASTERPIECE on KTTZ! 1 year ago Joy, jealousy, tears and tea -- Welcome to Downton Abbey Season 4! 1 year ago View the discussion thread.