Rules of Engagement (8:30pm, CBS) - In the sixth season opener, Russell's dad meets Liz and Russell (David Spade, left) goes to great lengths to win his dad's approval.

Grey's Anatomy (9pm, ABC) - Meredith is on the outs at the hospital so she must enlist Lexie to get Derek interested in a brain tumor case. Meredith also gives April advice in secret about Bailey's clinical trial.

Miss Representation (9pm, OWN) - The negative and sexual media depictions of women are assailed by an array of prominent women, including Katie Couric, Jane Fonda, Nancy Pelosi, Condoleezza Rice, and Rachel Maddow.

The Secret Circle (9pm, CW) - Faye plots against a former boyfriend who breaks her heart when he suddenly returns to town and sets his sights on Cassie.

The Mentalist (10pm, CBS) - A woman's body is found on an island off the California coast, and the team questions an odd group assembled on the island.

It's Always Sunny in Philadelphia (10pm, FX) - It's not always sunny in Philadelphia: an apocalyptic storm is bearing down on the city and everyone's in panic mode -- except for Frank.

Vampire Diaries (8pm, CW) - The third season begins with Elena and Damon searching for Stefan, who is with Klaus tracking a werewolf. Meanwhile, Caroline plans a party for Elena's 18th birthday, and Jeremy sees the ghosts of his late sister and his former girlfriend.

The Secret Circle (9pm, CW) - In this series premiere, teen Cassie Blake (Britt Robertson) moves to a new town, where she learns she is a witch and meets a circle of friends who inform her they are also witches. Adrienne's thoughts on this one, which is from New Bern native Kevin Williamson ("Vampire Diaries").

Project Runway (9pm, Lifetime) - The contestants are introduced to nine men on the runway, and then discover they must design for the men's significant others. Actress Malin Akerman is the guest judge.

It's Always Sunny in Philadelphia (10pm, FX) - In the Season 7 premiere, Frank wants to marry a prostitute and the gang can't talk him out of it. While Dee tries to burnish the  hooker's heart of gold, Charlie tries distracting Frank by fixing him up with another woman. Also, Mac has put on a lot of weight.

Archer (10:30pm, FX) - Tonight is part one of a three part episode episode arc leading up to the show's official third series launch in early 2012. Tonight, Archer, in hiding since the murder of his fiancee, is finally tracked down in the South Pacific by handsome adventurer Rip Riley. To get Archer safely back to ISIS, Riley will have to survive the elements, a plane crash, a shark attack, starvation, drowning, exposure, and possibly pirates. And of course, Archer.

The Big Bang Theory (8pm, CBS) - The guys borrow Penny's new boyfriend when they enter a costume contest as members of the Justice League.

Gift of the Magi (8pm, Hallmark) - A new Hallmark movie about financially limited newlyweds (Marla Sokoloff, Mark Webber) who plan to buy each other expensive gifts for Christmas, but the sacrifices they make to obtain the items end up putting a strain on their marriage.

Burn Notice (9pm, USA) - Two new episodes tonight marking the end of Season 4. In the first episode, Brennen attempts to blackmail Michael into killing government agents and joins forces with crazy hitman Larry (Tim Matheson, right) to strengthen his strategy. Then, a tactical assault team descend on Miami to come after Michael and his loved ones, forcing Michael to take drastic action to keep everyone safe.

Larry King Live (9pm, CNN) - It's the last one. It's as good a time as any to watch.

It's Always Sunny in Philadelphia (10pm, FX) - In the one-hour Season 6 finale, the gang sets out to discover the joy of Christmas. Their holiday adventure includes a sleigh full of stolen toys, childhood videos, naked elves, and a bloody encounter with Santa Claus.

Brad Meltzer's Decoded (10pm, History) - A theory that the Statue of Liberty contains secret symbols put there by members of the illuminati secret society is explored.

Scared Shrekless (8pm, NBC) - This animated tale in which Shrek (Mike Myers) gets in the Halloween spirit by challenging friends to come up with scary stories for a contest bumps "30 Rock" out of the NBC lineup tonight. In the cartoon, the gang learn that they'll have to spend the night in Lord Farquaad's haunted castle before a contest winner is named. Cameron Diaz and Antonio Banderas reprise their roles as Princess Fiona and Puss in Boots, but there's no Eddie Murphy. Dean Edwards plays the role of Donkey.

Community (8:30pm, NBC) - The rest of the NBC sitcoms have Halloween episodes tonight. On "Community," a campus Halloween party takes an unusual turn after Pierce and some students ingest a hazardous substance which produces zombie-like symptoms in them. On "The Office," staffers turn overly competitive during a Halloween costume contest (Timothy Olyphant is back). And on "Outsourced," Todd throws a costume party at the office in an attempt to explain Halloween to his Indian coworkers.

Grey's Anatomy (9pm, ABC) - As a TV crew films hospital life six months after the shooting, patient Mary (Mandy Moore) returns for the surgery she was supposed to ahve that day. Also, Cristina has difficulty expressing herself to the crew.

Project Runway (9pm, Lifetime) - The conclusion of the two-part finale reveals the winning designer. Jessica Simpson is the guest judge.

It's Always Sunny in Philadelphia (10pm, FX) - Dee is pregnant and tells the guys that one of them made her that way during a Halloween party that none of them can remember. So they try to piece the evening together "Potemkin"-style, aided by Artemis (Artemis Pebdani) and the McPoyle brothers (Nate Mooney and Jimmi  Simpson).

The Fairy Job Mother (11pm, Lifetime) - A new series in which career specialist Hayley Taylor tries to reshape the lives of families coping with unemployment.

Nikita (9pm, CW) - Nikita tries to interfere with Division's protective custody of a Slavic leader wanted for war crimes, but is thwarted by a band of mercenaries with the same objective. Meanwhile, Alex is activated ahead of schedule.

The Apprentice (9pm, NBC) - The new season of "Apprentice" begins, but this time without celebrities. Instead we get 16 candidates all impacted by the economic downturn and trying to revive their careers through a job with Donald Trump. One of the candidates is a 31-year-old Duke graduate named James, who went from being a successful New York attorney to an unemployed couch potato. James is seated second from the left below. In tonight's premiere, the prospects have to create modern-day workspaces but there's a fight and also an accident. It's not a real job interview till some blood is shed.

It's Always Sunny in Philadelphia (10pm, FX) - Season 6 opens with Mac defending traditional marriage while the rest of the gang reap the rewards of wedded bliss.

The League (10:30pm, FX) - The show's second season opens in Las Vegas, where the guys have gone to hold their fantasy league's draft. Jenny wants in bu the league commissioner, her husband Pete, doesn't like that idea at all. Chad Ochocinco appears as himself.

Parks & Recreation (8:30pm, NBC) - Leslie finds out Tom is getting divorced from his hot Canadian green-card wife, so she plans a night out on the town to cheer him up.

Private Practice (9pm, ABC) - There are two new back-to-back episodes tonight. Stephen Collins (left) guest stars as Addison's father, and Violet makes Addison angry by sleeping with him. In the second episode, JoBeth Williams shows up as Addison's mother, and shares a devastating family secret.

30 Rock (9:30, NBC) - It's the first episode of Liz Lemon's "Dealbreakers" talk show, and Jack connives to make it a hit. Will Arnett and Sherri Shepherd guest star. 

It's Always Sunny in Philadelphia (10pm, FX) - Dee gets a part in an M. Night Shyamalan film, and Mac and Charlie seize the opportunity to pitch the director their script -- which they haven't yet written.