Murder continues to fascinate, and true crime fascinate even more.
The stories of two young women who were victims of crime, decades apart, are examined in separate documentaries tonight that also touch on fake news.
The two hour “Beware the Slenderman” (HBO, 10 p.m.) looks at the 2014 attempted murder of a 12-year old by a pair of addled peers who said they wanted to impress the internet myth of the film’s title.
A 1964 murder of Kitty Genovese on a street in Queens, N.Y., is often held up as an example of people refusing to help a victim, after it was reported that 38 witnesses watched from their apartments but did nothing. But in a new film “The Witness,” on “Independent Lens” (PBS, 10 p.m., check local listings), the victim’s own brother Bill Genovese looks into the case and finds some of it to have been a misconception.
Trying to confront extremists where he finds them, comedian Jamali Maddix is featured in the new series “Hate Thy Neighbor” (Viceland, 10 p.m.).
The AKC National Championship Dog Show (Hallmark, 6 p.m.) kicks off.
“Quantico” (ABC, 10 p.m.) moves to a new night for its season two premiere.
The Sunday-Monday schedule of “The Young Pope” (HBO, 9 p.m.) makes me think they’re trying to burn it off as quickly as possible.
“Jane the Virgin” (The CW, 9 p.m.) meddles in other people’s relationships.
A fight interrupts a birthday celebration on “Vanderpump Rules” (Bravo, 9 p.m.).
They’re on the verge of another crossover on “Supergirl” (The CW, 9 p.m.).
What’s more boring than Nick on “The Bachelor” (ABC, 8 p.m.)? Possibly his home town, where they all visit tonight.
On “Gotham” (Fox, 8 p.m.), Penguin continues his power struggle against somebody with a far less colorful name.
A Walt Whitman war letter is brought to “Antiques Roadshow” (PBS, 8 p.m.), in a show concentrating on Civil War artifacts.
“Kevin Can Wait” (CBS, 8 p.m.) experiences sibling rivalry.
Duff Goldman and Valerie Bertinelli ask the kid chefs to salute the 1960s on “Kid Baking Championship” (Food, 8 p.m.).
Amina gives birth on “Love & Hop Hop” (VH1, 8 p.m.).
Jace awaits trial on “Shadowhunters” (Freeform, 8 p.m.).
Max and Caroline return from their road trip on “2 Broke Girls” (CBS, 9 p.m.).
“Timber Creek Lodge” (Bravo, 8 p.m.) winds up its first season after eight episodes.
Holden goes on a double date on “Beyond” (Freeform, 9 p.m.).
A masked murderer is poisoning college students on “Lucifer” (Fox, 9 p.m.).
“Timeless” (NBC, 10 p.m.) goes back to the days of Jesse James.
Amazing how inept the contestants are on “Celebrity Apprentice” (NBC, 8 p.m.) — and how any one of them could have been cabinet nominees.
Early James Mason is the focus on Turner Classic Movies, with a handful of movies from the 1940s: “The Seventh Veil” (8 p.m.), “They Were Sisters” (10 p.m.), “Odd Man Out” (midnight), “The Wicked Lady” (2:15 a.m.) and “They Met in the Dark” (4:15 a.m.).
Men’s college hoops includes American at Holy Cross (CBS Sports, 7 p.m.), North Carolina State at Duke (ESPN, 7 p.m.), Texas Christian at Oklahoma State (ESPNU, 7 p.m.), Oklahoma at Texas (ESPN, 9 p.m.) and Texas Southern at Mississippi Valley State (ESPNU, 9 p.m.).
Women’s games include Mississippi State at South Carolina (ESPN2, 7 p.m.).
NBA action includes Knicks at Indiana (TNT, 8 p.m.).
Hockey has San Jose at Colorado (NBC Sports, 9 p.m.).
Quarterfinals begin in the Australian Open (ESPN2, 9 p.m.).
Daytime Talk
Kelly Ripa: Jimmy Smits, Melissa Benoit, Priyanka Chopra, Anderson Cooper. The View: Christela Alonzo. The Talk: Rachel Bloom, Jaymes Vaughan. Harry Connick: Bryshere Y. Gray, Algee Smith, Elijah Kelley, Luke James, Woody McClain, Keith Powers, Curtis Stone, Lior Suchard. Ellen DeGeneres: Dennis Quaid, Katie Couric, James TW. Wendy Williams: Ellie Lee, Johnny Wright. The Real: Tika Sumper, Joseline Herandez.
Late Talk
Stephen Colbert: Charlie Rose, Hayden Panettiere, Jack Maxwell (rerun). Jimmy Kimmel: Dennis Quaid, Bill Burr, Andrew McMahon in the Wilderness. Jimmy Fallon: Cate Blanchett, Hugh Dancy, Cobi. Seth Meyers: Idina Menzel, Melissa Benoist, Kane Brown, Darren King. James Corden: Usain Bolt, Allison Janney, Owen Wilson (rerun). Carson Daly: William Shatner, Henry Winkler, Wolf Parade, Bruce Kalman (rerun). Trevor Noah: Matt Taibbi. Conan O’Brien: Howie Mandel, Britt Lower, Daniel Sloss.