Bodyguard (Netflix streaming) A war veteran (Richard Madden) gets a controversial assignment — to protect a politician (Keeley Hawes) who is partially to blame for the conflict he fought in. The series premieres Wednesday night. (Sophie Mutevelian/World Productions/Netflix)

(All times Eastern.)

The Goldbergs (ABC at 8) A family debate arises after Adam watches “A Nightmare on Elm Street.”

Riverdale (CW at 8) Betty and Jughead try to figure out what is causing strange events around town.

American Housewife (ABC at 8:30) Oliver and Cooper anticipate a game of “Seven Minutes in Heaven.”

Modern Family (ABC at 9) The Dunphy-Pritchett-Tucker clans celebrate Halloween amid big news.

Chicago Fire (NBC at 9) Casey works with a reporter to figure out what happened with the fire at the trailer park.

Criminal Minds (CBS at 10) The BAU helps local officers investigate the cases of two people killed in similar manners.

Specials

2018 American Humane Hero Dog Awards (Hallmark at 8) The eighth-annual event features seven finalists and their owners.

Top Ten Deadliest Beasts (Smithsonian at 8) A look at the most dangerous creatures from throughout history.

Late Night

Tonight Show/Fallon (NBC at 11:34) Greg Kinnear, Paul Dano, Hozier.

Late Show/Colbert (CBS at 11:35) Gerard Butler, Rowan Atkinson, Ina Garten.

Jimmy Kimmel Live (ABC at 11:35) Carey Mulligan, Kevin Nealon, Lukas Graham.

Late Late Show/Corden (CBS at 12:37) Rosamund Pike, Zlatan Ibrahimovic, Snow Patrol.

Late Night/Meyers (NBC at 12:37) Jonah Hill, Emily VanCamp, the Avett Brothers.

Sarah Polus