WHAT TO WATCH

Fear the Walking Dead

AMC+

In the season seven premiere, most of the landscape has been destroyed by nuclear warheads, but Strand (Colman Domingo) thrives in one of the few inhabitable places left.

Legends of the Hidden Temple

The CW, 7 p.m.

Hosted by Cristela Alonzo, this new series preserves the Nickelodeon series’ favorite elements, including “Olmec” (the giant talking Mayan head), the “Moat Crossings,” the “Steps of Knowledge,” the “Temple Run” and the iconic team names: “Purple Parrots,” “Blue Barracudas,” “Orange Iguanas,” “Red Jaguars,” “Silver Snakes” and “Green Monkeys.”

The Simpsons

Fox, 7 p.m.

The Simpsons Halloween special features a take on the movie “Parasite,” Bambi’s revenge and more.

TCM Classic Horror (With Mario Cantone)

TCM, beginning at 7 p.m.

Comedian/actor Mario Cantone introduces today’s horror films featuring creepy kids. First, Patty McCormack lives up to the title of “The Bad Seed” (1956) as 8-year-old Rhoda, a seemingly well-mannered child who is a murderous psychopath. Next, the 1974 cult favorite “It’s Alive” is about a couple whose infant turns out to be a vicious mutant.

The Equalizer

CBS, 7 p.m.

Queen Latifah returns as vigilante Robyn McCall in season two. Detective Marcus Dante (Tory Kittles) needs McCall’s help finding a group of bank robbers.

The Great North

Fox, 7:30 p.m.

The Tobin kids try to survive Alaska’s darkest, spookiest night.

The Walking Dead

AMC, 8 p.m.

In the midseason finale, (the Reapers defend Meridian from an incoming herd. Pope (Ritchie Coster) suspects Maggie (Lauren Cohan) is behind the attack.

NCIS: Los Angeles

CBS, 8 p.m.

NCIS must track down an informant whose life is in danger. Callen (Chris O’Donnell) suspects Hetty (Linda Hunt) is keeping secrets about his past.

Diana

CNN, 8 p.m.

This docuseries re-examines the life of the Diana, Princess of Wales, through the lens of modernity.

Bob’s Burgers

Fox, 8 p.m.

On Halloween, Linda and Gayle (voices of John Roberts and Megan Mullally) travel to their hometown to face a wrong they committed 27 years ago.

SEAL Team

CBS, 9 p.m.

Bravo Team is shocked to learn a training exercise is really a covert mission to get a weapons expert out of one of the most dangerous countries in the world.