What’s On Tonight? – 11/15/2012

Credit: ABC/Mario Perez

8:00 PM EST

The X Factor (“Live Results”) – Contestants face elimination; Taylor Swift performs. (FOX)

NICK’S PICK: Last Resort (“Nuke It Out”) – Sam and Marcus look for the traitor who stole the nuclear launch key; when Prosser disobeys orders, he starts a conflict he can’t control; Grace and James try to defuse a dangerous situation. (ABC)

The Big Bang Theory (“The 43 Peculiarity”) – Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard’s relationship. (CBS)

30 Rock (“Aunt Phatso vs. Jack Donaghy”) – When Tracy portrays Jack as a villian in a movie, Jack and Tracy engage in a battle of wits; Liz takes Jack’s advice and puts her needs above those of the show; Jenna tries to protect Kenneth from Hazel’s manipulation. (NBC)

The Vampire Diaries (“We All Go A Little Mad Sometimes”) – When terrifying hallucinations leave Elena confused and shaken, she makes a dangerous mistake. (The CW)

The 13th Annual Latin Grammy Awards – Live from the Mandalay Bay Events Center in Las Vegas, Nevada. (Univision)

8:30 PM EST

Two and a Half Men (“Something My Gynecologist Said”) – Alan feels reluctant to make a commitment to Lyndsey, but an unexpected source inspires him; Walden enjoys being the boy-toy of a wealthy older woman. (CBS)

Up All Night (“Thanksgiving”) – When Reagan causes Chris to miss out on Thanksgiving with his family in Maryland, she tries to plan an even better holiday at home; Walter and Ava decide to do some charity work; Scott plans a Thanksgiving dinner for divorced dads. (NBC)

9:00 PM EST

Grey’s Anatomy (“Second Opinion”) – As the doctors move forward with their lawsuit, they must face the realities of their injuries; Bailey tricks Arizona into assisting with a pediatric case; Cristina seeks normalcy in her new environment. (ABC)

Person of Interest (“Critical”) – A resourceful third party raises the stakes as Finch and Reese try to protect their latest person of interest, a brilliant surgeon. (CBS)

The Office (“The Whale”) – The women of the office try to teach Dwight how to interact with female clients; Angela suspects the senator of cheating; Toby convinces some of the guys to grow mustaches. (NBC)

Glee (“Glease”) – Rachel and Kurt visit Lima; Cassandra returns to shake up Rachel’s life; Santana lends a hand. (FOX)

Beauty and the Beast (“Worth”) – Catherine wonders why Vincent seems to have stood her up; Vincent tries to figure out why he blacked out. (The CW)

Project Runway All Stars (“Made in the USA Today”) – The designers must draw inspiration from images sent to them by the readers of “USA Today.” (Lifetime)

9:30 PM EST

Parks and Recreation (“Leslie vs. April”) – April tries to get Lot 48 turned into a dog park, upsetting Leslie; Tom gets Ben’s help with his new business idea; Andy improves his crime scene investigation skills. (NBC)

10:00 PM EST

Scandal (“Spies Like Us”) – Olivia receives a coded warning that could expose Huck’s past; Olivia asks Harrison to take care of a secret that has been exposed; Fitz and Cyrus face the ramifications of James’ front-page news story. (ABC)

Elementary (“One Way to Get Off”) – Sherlock helps investigate a double murder that has similarities to a series of homicides that took place 13 years ago; Watson tries to learn more about the mysterious man in her care. (CBS)

It’s Always Sunny in Philadelphia (“Charlie’s Mom Has Cancer”) – The gang rallies around Charlie’s mom as she battles cancer; Mac, Charlie and Dee struggle with their faith; Frank loses his memory and his mind in a quest for buried treasure; a revelation that will shake Paddy’s. (FX)

Burn Notice (“Over the Line”) – The follow-up to last week’s premiere. (USA Network)

Jersey Shore (“Make It Unofficial”) – Jenni plans a shower for Snooki; the guys support Mike’s decision to break up with Paula. (MTV)

LATE NIGHT

The Daily Show with Jon Stewart has Judge Andrew Napolitano. (11:00 PM EST, Comedy Central)

Chelsea Lately features Ne-Yo, promoting his album “R.E.D”; Ben Gleib; Bobby Lee; Marc Maron. (11:00 PM EST, E!)

Conan welcomes Kellan Lutz; Jimmy Pardo; Jeff the Brotherhood. (TBS)

The Colbert Report welcomes Anthropologist Chris Stringer. (11:30 PM EST, Comedy Central)

The Tonight Show with Jay Leno has Actor Tim Allen; actor Nolan Gould; Switchfoot performs. (11:35 PM EST, NBC)

Late Show with David Letterman features Actress Zooey Deschanel; comic Lisa Lampanelli; Donald Fagen performs. (11:35 PM EST, CBS)

Jimmy Kimmel Live has Actor Mel Brooks; journalist Jake Tapper; Jason Aldean performs. (12:00 AM EST, ABC)

The Late Late Show with Craig Ferguson welcomes Actor Max Greenfield; actress Lucy Punch. (12:35 AM EST, CBS)

Late Night with Jimmy Fallon features Actress Katie Holmes; entrepreneur Jeff Bezos; comic Russell Peters. (12:35 AM EST, NBC)

Last Call with Carson Daly has Actress Naomie Harris; writer Dino Stamatopoulos; Brandi Carlile performs. (1:35 AM EST, NBC)