If part one of “The Facebook Dilemma,” the excellent report on “Frontline” (PBS, 10 p.m., check local listings) didn’t make you cancel your account Monday, tonight’s concluding part two will appall you in how the site has allowed itself to be used to alter the political scene in Ukraine years before it influenced the 2016 U.S. elections. And what might be worse was to fuel a genocide in Myanmar. The company has been slow to react to how it’s been used, all seem to agree.
Six rising comics, including Liza Treyger, Big Jay Oakerson and Brad Williams, show their stuff in half hour sets in the new series “The Degenerates” (Netflix, streaming).
Lost cities in Mexico are recalled on the second episode of “Native America” (PBS, 9 p.m., check local listings) as well as a temple in Peru.
There’s a Halloween crime scene on “NCIS” (CBS, 8 p.m.).
The scariest thing on “The Conners” (ABC, 8 p.m.) trick or treat party will be a Roseanne mask.
On “Blackish” (ABC, 9 p.m.), the twins opt out of the family Halloween costume.
Kate struggles with Toby’s depression on “This is Us” (NBC, 9 p.m.).
The latest villain on “The Flash” (CW, 8 p.m.) is a millennial techie named Spin.
On “The Gifted” (Fox, 8 p.m.), an effort is made to try to save a mutant injured in the liberation of a psychiatric hospital.
Knockouts continue on “The Voice” (NBC, 8 p.m.).
Michael Rapport guest stars as a man trying temper his OCD on a new episode of “The Guest Book” (TBS, 10:30 p.m.).
There’s a microwave introduced in the household on “The Kids Are Alright” (ABC, 8:30 p.m.).
Rhylee is squabbling with Chandler on “Below Deck” (Bravo, 9 p.m.).
On “The Rookie” (ABC, 10 p.m.), Nolan and Talla lose control of a crime scene.
Jefferson is fighting with Anissa on “Black Lightning” (CW, 9 p.m.).
On “FBI” (CBS, 9 p.m.), a senator’s daughter is kidnapped and held for ransom.
A truck robbery of fine art is investigated on “Lethal Weapon” (Fox, 9 p.m.).
“NCIS: New Orleans” (CBS, 10 p.m.) looks into a suspect harvesting organs from victims.
Max hosts his first fundraising gala on “New Amsterdam” ((BC, 10 p.m.).
Another three couples share their experiences on “Married at First Sight: Happily Ever After” (Lifetime, 10 p.m.).
There is a question whether to sell the house on “Splitting Up Together” (ABC, 9:30 p.m.).
On “Mayans M.C.” (FX, 10 p.m.) the bond of the Reyes blood is broken.
Vampire bats are investigated on “Monster Encounters” (Travel, 10 p.m.).
Joe debates “The Purge” (USA, 10 p.m.) with Jane.
Kristen Bell pops up on “Busy Tonight” (E!, 10 p.m.).
Halloween Eve brings the Bowery Boys in a series of spooky movies on Turner Classic Movies with “Ghost Chasers” (8 p.m.), “The Bowery Boys Meet the Monsters” (9:30 p.m.), “Spook Busters” (10:45 p.m.), “Spook Chasers” (12:15 a.m.) and “Master Minds” (1:30 a.m.). Then comes “Night of the Living Dead” (2:45 a.m.) and “The Plague of the Zombies” (4:30 a.m.).
Earlier in the day, it’s more scare stuff on TCM with the silent “Dr. Jekyll and Mr. Hyde” (6 a.m.) and “The Magician” (7:15 a.m.) followed by “The Man Who Could Work Miracles” (8:45 a.m.), “The Devil-Doll” (10:15 a.m.), “The Mysterious Island” (11:45 a.m.), “Doctor X” (1:30 p.m.), “The Return of Doctor X” (3 p.m.), “King Kong” (4:15 p.m.) and “Things to Come” (6:15 p.m.).
Basketball tonight includes Philadelphia at Toronto (NBA, 7:30 p.m.).
Hockey has Vegas at Nashville (NBC Sports, 8 p.m.).
In college football, it’s Miami Ohio at Buffalo (ESPN2, 8 p.m.) and Kent State at Bowling Green (ESPNU, 8 p.m.).
Daytime Talk
Kelly Ripa and Ryan Seacrest: Katy Perry, Luke Bryan, Lionel Richie, Tyler Perry. The View: Tyler Perry. The Talk: Mary McCormack, Nancy O’Dell, Soledad O’Brien. Steve Harvey: Carl Champion, Ashley Hinson, Lynn Whitfield. Ellen DeGeneres: Nicole Kidman, Lucas Hedges, Troye Sivan. Wendy Williams: Tika Sumpter, Jackie Miranne. The Real: Jude Demorest, Brittany O’Grady, Ryan Destiny.
Late Talk
Stephen Colbert: Sarah Jessica Parker, Rep. Nancy Pelosi. Jimmy Kimmel: Milo Ventimiglia, Caitriona Balfe, Willie Nelson. Jimmy Fallon: Tyler Perry, Abbi Jacobson, Sunny Suljic, Kiss. Seth Meyers: Wendy Williams, Chris Gethard, Sam Esmail, Jon Theodore. James Corden: Greg Kinnear, Katie Hill. Carson Daly: Luca Guadagnino, Drama, Mo Amer. Trevor Noah: Derek Jeter.