presidential-debateYou may just miss them when they’re gone. Maybe not. But tonight is the last of this year’s Presidential Debates (ABC, CBS, NBC, PBS, C-SPAN, CNN, Fox News, MSNBC, Univision, 9 p.m.) between Hillary Clinton and Donald Trump, though there can’t be more than a handful by now who haven’t made up their mind. Chris Wallace of Fox News hosts, so will Trump still accuse it of collusion and being rigged? It all occurs at the University of Nevada at Las Vegas. But whatever happens there won’t stay in Vegas.

Hugh Laurie returns to TV in “Chance” (Hulo, streaming) as a different kind of doctor than “House” — a forensic neuropsychiatrist who is also the target of a patient’s abusive husband. Gretchen Mol and Paul Edelstein also star in the thriller.

It’s that time of year: “It’s the Great Pumpkin, Charlie Brown” (ABC, 8 p.m.).

Tribes are switched up on “Survivor” (CBS, 8 p.m.) just as Gen X becomes frantic about finding a new hidden immunity idol.

Cinematographer Vianet D’jenguet revisits his homeland, Congo, on a new episode of “Nature” (PBS, 8 p.m.).

On a new “You’re the Worst” (FXX, 10 p.m.), Jimmy appears on Vernon’s podcast.

Bob Costas, Al Michaels and Vince Staples join “Any Given Wednesday with Bill Simmons” (HBO, 10 p.m.).

Wild Dog lives up to his name on “Arrow” (The CW, 8 p.m.).

On “Blindspot” (NBC, 8 p.m.) a “fugitive whistle-blower” is sought in Bulgaria.

A former Navy SEAL is targeted on “Lethal Weapon” (Fox, 8 p.m.).

It’s America Ferrera vs. Amber Tamblyn on “Lip Sync Battle” (Spike, 9 p.m.), followed by Gina Rodriguez vs. Wilmer Valderrama at 9:30 p.m.

Houseguests on “The Real World” (MTV, 10 p.m.) dread the coming of people from their past.

Terra and Joe argue about their son’s name on “Little Women: L.A.” (Lifetime, 9 p.m.). The second season reunion begins on “Little Women: Atlanta” (Lifetime, 10 p.m.).

Liza tries to sign up YouTube stars on “Younger” (TV Land, 10 p.m.).

Turner Classic Movies leads up to the election with two Wednesdays of movies of fictional American Presidents. It begins tonight with “Fail-Safe” (8 p.m.), “Advise & Consent” (10 p.m.), “Seven Days in May” (12:30 a.m.), “Gabriel Over the White House” (2:45 a.m.) and “First Family” (4:30 a.m.).

In the baseball playoffs the American League Championship Series moves to Game 5 with Cleveland at Toronto (TBS, 4 p.m.). Cleveland leads 3-1. In the National League Series Championship, it’s Cubs at the Dodgers (Fox Sports 1, 8 p.m.) in Game 4. Los Angeles leads the series 20-1.

Hockey includes Detroit at Rangers (NBC Sports, 8 p.m.).

Preseason basketball has New York at Boston (ESPN, 7:30 p.m.) and Golden State vs. Lakers (ESPN, 10 p.m.).

Daytime Talk

Kelly Ripa: Ewan McGregor, Jeff Gordon, Ciara. The View: Martha Raddatz. The Talk: Selma Blair. Chelsea Handler: Ava DuVernay, Connie Britton, Hilary Swank, Deshauna Barber. Harry Connick: Chip & Joanna Gaines, Victoria Justice. Ellen DeGeneres: Tyler Perry, Lewis Hamilton, Maren Morris. Wendy Williams: Christina Milian. The Real: Chris Hansen.

Late Talk

Stephen Colbert: Hugh Laurie, Paul Reiser, Nate Silver. Jimmy Kimmel: Gal Gadot, Gary Johnson, Ken Bone. Jimmy Fallon: Margot Robbie, Joe Biden, Metallica (rerun). Seth Meyers: Ashton Kutcher, Kevin Millar & Sean Casey, Chris Eliopoulos, Stanton Moore (rerun). James Corden: Tom Cruise, Anna Faris, Weezer. Carson Daly: Erinn Hayes, Saves the Day, Jaz Sinclair. Trevor Noah: Matt Taibbi. Conan O’Brien: Melissa McCarthy, Sam Suchmann & Mattie Zufällt, Jesse Suchmann, Robby Carnevale, Parker Milsap (rerun).