Harry Potter and the Deathly Hallows: Part 1 & 2 | 7pm on HBO Family

Harry, Ron and Hermione leave Hogwarts behind on a mission to destroy the Horcruxes, the secrets to Voldemort’s power and immortality. Part 2 (9:30pm) As his showdown with Lord Voldemort nears, Harry may have to make the ultimate sacrific

American Horror Story | 10pm on FX

A mysterious little girl is abandoned at Briarcliff; the Monsignor makes a Faustian pact with Dr. Arden; the origin of Bloody Face is revealed.

Crazy, Stupid, Love | 9pm on HBO

A self-styled Lothario teaches a suddenly single 40-something how to be a hit with the ladies. Starring Steve Carell & Ryan Gosling

Anchorman | 10pm on Cinemax

A 1970s San Diego newscaster feels threatened by the arrival of an ambitious woman looking to climb the ranks of journalism.

Rudy | 9pm on NBC

With heart and determination an Illinois youth tackles shortcomings to play Notre Dame football. Sean Astin, Ned Beatty, Charles S. Dutton, Robert Prosky, Lili Taylor

Dexter | 9pm on Showtime

Dexter seeks to learn why someone was killed on his boat, while at the same time, he tries to outmaneuver Isaak, who is bent on revenge. Later, the Wayne Randall case takes a positive turn when new leads are brought to light by his fetching former accomplice

Gremlins | 9pm on The Hub

An inventor gives his son an odd little creature which multiplies into monsters which wreck the town.

The Office | 9pm on NBC

Andy invites his old a cappella group to perform for Halloween, which leads to a confrontation with his frenemy; Dwight tries to track down a madman in the office; Jim and Pam fight over his new job.

Don’t Trust the B—- in Apt. 23 | 9:30pm on ABC

Season Premiere: Against Chloe’s advice, James tries to facilitate a “Dawson’s Creek” reunion.

Presidential Debate | 9pm (Most Networks)

The presidential candidates’ discussion of issues takes place at Lynn University in Boca Raton, Fla.; Bob Schieffer moderates; analysis follows.

Easy A | 10pm on FX

The escape of a little white lie teaches a clean-cut teenager to use the high-school rumor mill to her advantage. Starring Emma Stone, Penn Badgley, Amanda Bynes, Dan Byrd

Grimm | 9pm on NBC

Hank and Nick investigate when a high-school competition turns deadly; Capt. Renard faces an unwanted infatuation with him.

Ben and Kate | 8:30pm on Fox

When Ben decides to throw a birthday party for Kate against her wishes, her frustration soon turns into excitement when she realizes that Ben invited Molly (guest star Rosa Salazar), Kate’s wild friend from high school, to her party. Meanwhile, Ben finds out that Darcy, the only woman he truly cared for, is moving into […]

Haven | 10pm on Syfy

Audrey tries to find the connection between the ocean-related deaths that plague Haven.

Haven | 10pm on Syfy

A Boston cop connects a murder in Haven to similar crimes, leading Audrey and Nathan to suspect they are dealing with a killer who is harvesting organs.