The Voice | 8pm | NBC

The Battle Rounds conclude as Michael Bublé, Snoop Dogg, Reba McEntire and Gwen Stefani prepare their artists in hopes of advancing to the Knockouts. Each coach has two steals in this high-stakes round.

The Simpsons | 8pm | Fox

Giant monsters created by political rage threaten to tear the town apart, a Victorian Mr. Burns is jump-scared on Thanksgiving by the ghosts of his abused workers, and Homer bonds with a pair of extra-terrestrial jeans in an unforgettable stop-motion adventure that can only be called… Denim.

SWAT | 8pm | CBS

20-Squad faces down a prison hostage situation, only to be thrown into deeper danger when a bomb explodes, freeing maximum-security prisoners from their cells, including someone with a personal grudge against Hondo.

Ghosts | 8:30pm | CBS

The ghosts, seeking some excitement during a low-key Halloween, join Patience (Mary Holland) in putting Sam on a witch trial.

Abbott Elementary | 9:30pm | ABC

It’s Halloween at Abbott Elementary! Janine and Gregory proudly show off their couple’s costume, but it fails to translate. Meanwhile, Barbara faces pushback from parents concerned about hygiene and her beloved apple-bobbing tradition.

The Irrational | 10pm | NBC

Alec and Marisa attend a wedding of the daughter of a mutual friend that’s located inside a foreign embassy, where the father of the bride has been ensconced for diplomatic reasons. Their night off quickly turns into a murder investigation.

NCIS | 9pm | CBS

NCIS is called in to investigate when a lieutenant returns home on the eve of Halloween to find a surprise party being thrown for someone else at his place. Donna Mills guest stars as Wanda Prescott, an antiques collector and the widow of a billionaire investment guru.

The Simpsons | 8pm | Fox

An unearthed corpse opens up a cold case from Springfield in the 1980s… as well as a steamy relationship between young Grampa and Agnes Skinner.

SWAT | 8pm | CBS

When a spree of brutal stash house robberies spills into L.A., 20-Squad must team up with the sheriff’s department’s gang unit to unmask a violent crew who leaves no witness alive.

Ghosts | 8:30pm | CBS

When Sam’s dad (Dean Norris) comes to Woodstone for a visit, Patience (Mary Holland) puts their father-daughter relationship to the test. Also, Isaac must deal with the fallout from his breakup with Nigel and Thor and Flower handle an awkward situation with Nancy.

Chicago Med | 8pm | NBC

Halloween chaos takes over the E.D. Hannah helps a pregnant woman with an autistic son. Charles clashes with nurse Jackie on a psych case.

FBI | 8pm | CBS

The team is on the case when a suburban couple is murdered and all forensic evidence points to the home’s previous owner, who is currently serving 10 years in federal prison. Meanwhile, OA reunites with an old military colleague, and Scola tries to welcome a new partner.

9-1-1: Lone Star | 8pm | Fox

The 126 race into action when a horse barrels into a brewery with an unconscious rider on its back and then to a bus full of tourists all experiencing seizures. Judd introduces Owen to Wyatt’s mother Marlene. Carlos and T.K. start couples counseling, when Carlos investigation into his father’s murder becomes all-consuming.

The Simpsons | 8:30pm | Fox

Lisa has a blazing misadventure in the dark world of Capital City’s downtown art scene. (Live to all time zones.)

SWAT | 8pm | CBS

Season premiere: SWAT tackles a mission with personal ties for Hondo when they race to find a group of missing students and their bus driver, Hondo’s former high school football coach. Also, Hicks has reservations regarding Hondo’s new 20-Squad team addition, Devin Gamble (Annie Ilonzeh), a cop with a family background deeply entrenched in crime.