"Downton Abbey" season finale All the single ladies on the show - Ladies Mary and Edith, the Dowager Countess, Isobel, even Mrs. Hughes - have romantic developments as Christmas rolls around again in Yorkshire. 9 p.m. Sunday on PBS12.
"Secrets and Lies" series premiere Ryan Phillippe is riveting in this 10-part event series as a family man who discovers the corpse of a 5-year-old neighborhood boy. Juliette Lewis plays the police detective who gradually comes to think Phillippe is the perpetrator. 9 p.m. Sunday on ABC6.
"The Last Man on Earth" series premiere The title of this off-kilter comedy is pretty self-descriptive: Will Forte is a guy who has to find ways to amuse himself after a very sanitary apocalypse wipes out everyone else on the planet. Well, almost everyone. 9 p.m. Sunday on Fox29. Assumes its regular time slot (9:30 p.m.) the following week.
"Dig" series premiere When a Penn student is murdered in Jerusalem, it unravels an ancient international conspiracy that is about to explode. Jason Isaacs, Anne Heche, and Angela Bettis star in this 10-parter. 10 p.m. Thursday on USA.
"The Unbreakable Kimmy Schmidt" series premiere You know how they say, "Unless you've been living under a rock . . ." Well, Ellie Kemper's character pretty much has been in this nutty sitcom from Tina Fey and Robert Carlock, the kooks behind 30 Rock. Broadway's Tituss Burgess costars. All 13 episodes available to stream Friday on Netflix.