7 p.m. on NBC
Jane and Roman team up for a Sandstorm mission in a new episode called “Her Spy’s Mind,” while Weller and Nas embark on a search for a fugitive whistleblower in Bulgaria.
7 p.m. on ABC
It’s the Great Pumpkin, Charlie Brown
It simply wouldn’t be the Halloween season without this animated “Peanuts” classic, marking its 50th anniversary. Linus stakes out a spot in the pumpkin patch, hoping to catch a glimpse of the Great Pumpkin. While he continues his annual vigil, Charlie Brown discovers stones in his trick-or-treat bag, Lucy becomes maternal and Snoopy gets moonstruck.
8 p.m. on PBS FOX CBS NBC ABC
With the election only a few weeks away, candidates Hillary Clinton and Donald Trump engage — in multiple senses of that word — in the last of their three debates, as Chris Wallace of Fox News moderates at the University of Nevada in Las Vegas. This being the contenders’ final slated meeting before America votes, the stakes clearly are high.
9 p.m. on FX
American Horror Story: 6
The writers and producers of the current Season 6 have been scrupulous about not giving away any secrets, but there’s one thing series creator Ryan Murphy revealed from the outset: Halfway through the season, there’s a major flip in the story. “Starting in episode 6, the show has a huge turn, and the thing that you think you’re watching is not what you’re watching,” Murphy says. That would be tonight’s episode, so: Brace yourself.