Weekend Preview: ‘The Walking Dead’ And ‘Treehouse of Horror XXVI’ On ‘The Simpsons’

The Walking Dead (AMC, Sunday 9 p.m.) — The group is stuck outside the town walls and facing a horde of hundreds of walkers. Just keep killing, just keep killing, just keep killing, just keep killing…

The Simpsons (FOX, Sunday, 8 p.m.) — Sideshow Bob F-I-N-A-L-L-Y kills Bart in “Treehouse of Horror XXVI.”

Da Vinci’s Demons (Starz, Saturday 8:00 p.m.) — The third and final season has Da Vinci kissing the ring and growing especially introspective as he has to fight… himself?

The Knick (Cinemax, Friday 10:00 p.m.) — A broken axle and a bloody sink star alongside Clive Owen in another gruesome new episode from the little black heart of Steven Soderbergh.

Hemlock Grove (Netflix, Anytime) — If you’re reading this, then season three of the Netflix original series about witches and werewolves is already available to be streamed at your leisure.

The Leftovers (HBO, Sunday 9 p.m.) — Kevin’s still going nuts, can’t account for his whereabouts and/or actions on the night of Evie’s disappearance, can’t find his phone, and, oh yeah, there’s that whole thing about his prints being all over the girl’s car.

Homeland (Showtime, Sunday, 9 p.m.) — Carrie’s tied to a bed frame, and it’s not because she’s spending a particularly steamy weekend at the cabin with Brody. (It’s because her name’s on a kill list.)

The Good Wife (CBS, Sunday, 9 p.m.) — Diane pushes her personal feelings aside to argue a case about assisted suicide.

Once Upon a Time (ABC, Sunday, 8 p.m.) — In order to save Merlin, Emma looks into the past and learns that she and Regina have to track down a rare ingredient.

Madam Secretary (CBS, Sunday, 8 p.m.) — Elizabeth and Henry are forced to deal with the ugly side of modern technology when incriminating photos of their daughter leak and the obvious media swarm follows.

Sunday Night Football (NBC, Sunday 8:20 p.m.) — Cam Newton and the undefeated (?!?!) Carolina Panthers host football’s mad scientist, Chip Kelly, and his Philadelphia Eagles.

Brooklyn Nine-Nine (FOX, Sunday, 8:30 p.m.) — Part three of Jake and Holt’s competition to be “amazing detective/genius” has them splitting the squad into factions to further their respective bids.

Last Man on Earth (FOX, Sunday, 9:30 p.m.) — Secrets are no fun unless you’re telling everyone… which is, like, not that many people when the population is this small.

CSI: Cyber (CBS, Sunday, 10 p.m.) — CSI gets sinister when children are abducted through an app on their phones. Well, they’re not abducted through the app, but they’re lured with it, ya know?

Last Week Tonight with John Oliver (HBO, Sunday, 11 p.m.) — Another new episode in which Oliver enlightens the American electorate on a dire situation, sensitive subject or under-publicized problem.

Late Night Howard Stern, the New York Mets and Public Enemy on Kimmel.