“The Pet Cemetery Murders: A Ghost Story” (HBO, 9 p.m.) is a new three-part true crime series about the proprietor of a pet cemetery outside New Orleans who disappears and is later discovered wrapped in chains in the Mississippi River, a case that went cold for decades until an anonymous tip. 

A haunted pet shop is also part of the challenge on “Halloween Wars” (Food, 9 p.m.). 

Sunday Night Football has Baltimore at Atlanta (NBC, 8:20 p.m.). Earlier gams include Philadelphia vs. Jacksonville (NHL, 9:30 a.m.) from London, Giants at Washington (Fox, 1 p.m.), Denver at Chargers (CBS, 4:05 p.m.) and San Francisco at Seattle (Fox, 4:25 p.m.). 

Baseball’s National League Championship Series begins with Game 1 of Dodgers at Milwaukee (Fox, 8 p.m.). 

Finales come for public television’s Sunday night mysteries, “The Marlow Murder Club” (PBS, 8 p.m., check local listings) and “Marble Hall Murders” (PBS, 9 p.m., check local listings).

Also winding up tonight is the drama set in Northern Ireland during the Troubles, “Trespasses” (PBS, 10 p.m., check local listings). 

Alex goes to Ibiza on a misbegotten holiday on “Youth” (HBO, 10 p.m.). 

“Tracker” (CBS, 9 p.m.) looks for a mother and daughter who went missing hiking the Pacific Divide Trail. 

A former cop who goes on a killing spree is sought on “Marshals” (CBS, 8 p.m.). 

“The Real Housewives of Potomac” (Bravo, 8 p.m.) return for an 11th season of bickering. 

Dorry receives a strange procedure on “The Terror: Devil in Silver” (AMC, 9 p.m.).

“Her Only Way Out” (Lifetime, 8 p.m.) is a made-for-TV thriller about a woman who stages her own death to escape being coerced into silence following a terrifying crash. 

Special political coverage comes in the two-hour “Midterms 2026: Countdown to Election Night” (CNN, 8 p.m.), hosted by Abby Phillip.

“Paranormal Caught on Camera” (Travel, 9 p.m.) supposedly includes footage of rowdy ghosts in bars. 

A series of tornadoes in northern Oklahoma last April are recalls on “In the Eye of the Storm” (Discovery, 10 p.m.). 

“Sister Wives” (TLC, 10 p.m.) reunite for the first time in years. 

Aviators track polar bear populations on “Ice Airport Alaska” (Smithsonian, 8 p.m.).

Turner Classic Movies has a double feature with actor John Boles, “Back Street” (8 p.m.) and “King of Jazz” (10 p.m.). The silent films at 12 o’clock are from Japan, “The Oath of the Sword” (midnight) and “Apart from You” (12:45 a.m.). They are followed by two from Polish director Krzysztof Kieslowski: “Three Colors: Red” (2 a.m.) and “Camera Buff” (4 a.m.). 

Hockey has Carolina at Philadelphia (NHL, 7 p.m.). 

Preseason basketball has Dallas vs. Houston (NBA, 6 a.m.) from China, Orlando at Cleveland (ESPN, 6:30 p.m.) and Chicago at Denver (ESPN, 9 p.m.). 

Sunday Talk

ABC: Ukranian President Volodymyr Zelensky, Rep. Tom Emmer, Kansas senate candidate Adam Hamilton. CBS: DHS Secretary Markwayne Mullin, Sens. John Barrasso and Chris Murphy, Rep. Chris Pappas, Palantir Technologies CTO Shyam Sankar. NBC: Michigan Senate candidate Abdul El-Sayed , Sen. Thom Tillis, author Michael Lewis. CNN: Mullin, Bill Gates. Fox; Mullin, Iowa gubernatorial candidate Zach Lahn.