TONIGHT: We've got the season finale of Project Runway and the Jersey Shore reunion episode, plus new episodes of Vampire Diaries, The Big Bang Theory, Community, The Office, Outsourced, The Real Housewives of Beverly Hills, Grey's Anatomy, CSI, and more!

8:00 PM

Scared Shrekless Animated tale in which Shrek (Mike Myers) gets in the Halloween spirit by challenging his fairytale friends to come up with scary stories for a contest. But the gang learn that they'll have to spend the night in Lord Farquaad's haunted castle before the winner is named. Cameron Diaz and Antonio Banderas reprise their roles as Princess Fiona and Puss in Boots, respectively, while Dean Edwards takes on the role of Donkey. (NBC)
Vampire Diaries The Lockwoods throw a masquerade ball, and Stefan and Damon try to prevent Katherine from wrecking the party. Meanwhile, Matt and Tyler get into trouble when they start drinking shots with some friends. (CW)
The Big Bang Theory Raj's sister visits and inadvertently causes trouble for the friends. (CBS)

8:30 PM

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. Dean Pelton responds to the situation by quarantining the area with the study group inside, forcing them to fend for themselves. (NBC)
$#*! My Dad Says Ed tries to stop Henry from writing an article about him; Bonnie and Vince befriend the "It" couple of San Diego real estate. (CBS)

9:00 PM

The Office The staffers turn overly competitive when they scare up a Halloween costume contest. Meanwhile, Darryl gives an idea to corporate himself, passing over a fuming Michael. And Pam corners Danny (Timothy Olyphant) about their dating history. (NBC)
CSI Ray investigates the death of a college student at a dinosaur exhibit to determine whether it was accidental or murder. Katee Sackhoff guest stars. (CBS)
Grey's Anatomy As a TV crew records hospital life six months after the shooting, the patient Mary (Mandy Moore) returns for the surgery she was to have that day; Derek, Owen, Mark and Callie perform an arm transplant; and Alex treats a girl with a blocked trachea. (ABC)
Nikita Nikita tries to head off a recruit sent on a suicide mission, and gunfire erupts when Michael arrives on the scene. Meanwhile, another recruit ambushes guards at Division, inciting mass pandemonium. (CW)
Project Runway The thread of Season 8 episodes ends in the conclusion of the finale, which irons out the style trials and reveals the winning designer. Songstress Jessica Simpson is the guest judge. (Lifetime)

9:30 PM

Outsourced Todd throws a costume party at the office as part of his attempt to explain Halloween to his coworkers. He also views the party as a good opportunity to get to know Asha, but his strategy hits a snag after Tonya unexpectedly makes a play for him. (NBC)

10:00 PM

Jersey Shore The cast members reunite to chat about Season 2 and what happened off camera during their stay in Miami. (MTV)
It's Always Sunny in Philadelphia Dee's pregnant, and she 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). (FX)
The Real Housewives of Beverly Hills It's a blitz to the glitz of Las Vegas when Adrienne escorts the ladies on a trip to her Vegas casino hotel to attend a Jay-Z concert. Camille's ballooning excitement in Sin City is popped when she and Kyle begin to lock horns. Worse, their fight continues after returning to the land of 90210. Appearing: Jay-Z and Kelsey Grammer. (Bravo)
Private Practice Addison and Sam clash over a comatose pregnant patient, and it strains their relationship; Pete and Charlotte agonize over revealing an auto-accident victim's HIV status; and Violet crosses boundaries with Pete's family over Lucas' first Halloween. (ABC)
The Apprentice The candidates must attract potential Broadway investors to an up-and-coming stage musical, but the task may flop when a project manager lacks theater knowledge and one candidate is haunted by the past. Guest judge: singer-actress Kristin Chenoweth. (NBC)
The Mentalist The team investigates a murder and a missing-person case on a wealthy family's compound that is heavily guarded. (CBS)

Who's on the Late Night Couches Tonight?

The Daily Show: TBD (Comedy Central)
The Colbert Report: Maira Kalman (Comedy Central)
Jimmy Kimmel Live!: Mandy Moore, John Quinones, Atomic Tom (ABC)
Lopez Tonight: Jenny McCarthy, Eric Balfour, All Star Weekend (TBS)
Chelsea Lately Nick Swardson, Bobby Lee, Michelle Collins, Brad Wollack (E!)
The Tonight Show with Jay Leno: Denzel Washington, Reed Timmer, Corinne Bailey Rae (NBC)
Late Night with Jimmy Fallon: Jason Hawes & Grant Wilson, GWAR (NBC)
Late Show with David Letterman: Will Ferrell, Kid Cudi (CBS)
Late Late Show with Craig Ferguson: Michael Caine (CBS)

Just in case you missed the offer today...

Free Gawker.TV Stickers!
Would you like your very own Gawker.TV stickers? Then just email stickers@gawker.tv and we'll send you some!