20/20

- Season 34

(1978)

Will take an in-depth look at the voice of the century, from her record-setting achievements and musical legacy to her rocky personal life and battle with addiction. It will also include Diane Sawyer's ground-breaking interview done exactly 10 years ago, as well as the latest developments about the superstar's final days.

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"When Neighbors Fight Back" interviews a Minneapolis couple who have fought back against a harassing neighbor. "Self-Defense or Murder?" examines the neighbor feud that led former firefighter Raul Rodriguez to shoot and kill Kelly Danaher. "Celebrity Neighbor Feuds" examines why it may not be a good thing to live next to a celebrity.

In this special edition of 20/20, Barbara Walters presents the results of a poll conducted by ABC News and People magazine to determine what America thinks are the best TV shows of all time.

"Blackout Parties and Beyond" looks at college students parties where blacking out is the goal. "Drunk Walking" discusses how walking home drunk can be just as dangerous as driving home. "Police on the Prowl in Bars" investigates how police are now going to bars to arrest drunk people before they try to drive home. "Kristen Johnston" interviews the actress about her alcoholism. "Hangover Helper" looks at a potential cure for the hangover. "Drinking Around the World" observes drinking habits around the world.

"Sex Ed" interviews teacher Texas teacher Brittni Colleps who is accused to have group sex with some of her students. "Outrageous High School Pranks" talks about pranks and their dangers. "When Student Discipline Goes Too Far" examines how students have been arrests for minor offenses. "Uproar Over School Lunches" looks at the controversy of government mandated low calorie lunches.

"Waseem Daker: From Stalker to Murderer" examines how a man stalked Lottie Spencer and later murdered her downstairs neighbor and stabbed her neighbor's young son. "The Stalker in All of Us" examines how social stalking on the Internet has appeal for almost everyone.

"$65 Million Marriage Reward" interviews a Chinese billionaire who is offering millions to a man to marry his lesbian daughter. "Extreme Plastic Surgery" talks to a man who has had 90 cosmetic surgeries and a woman with Triple-L breast implants. "My Life in a Corset" examines the resurgence in the popularity of corsets. "The Feeding Tube Diet" looks at a new way of losing weight. "Skinvertisting" interviews people who have tattooed advertisements on their bodies.

"Hero #1" interviews Aaron Fisher one of the victims in the Jerry Sandusky child molestation case who has come forward with his story. "Mystery Man" examines the case of Larry Hoagland who attempted to murder his wife while leading a double life. "Celebrity Look-Alikes" interviews Charlie Sheen and Kate Middleton look-alikes.

"The Performers" interview a self-proclaimed psychic known as the Long Island Medium. "Seeing the Future" examines a case where a mother predicted that her infant had a life threatening condition. "Proof of Heaven" speaks to a neurosurgeon who had a near death experience. "Pet Premonitions" examines cases where animals seem to predict the future. "Do You Have the Gift?" speaks to a woman who claims to have intuition.

"Taylor Swift" interviews the singer about her recent success. "Reba McEntire" interviews the singer about her career and family. "LeAnn Rimes" interviews the singer about her tabloid troubles. "Pistol Annies" interviews the country music singers. "The Greatest Women of Country Music" talks to country musicians about their favorite female country singer.

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Get ready for a big dose of the shocking truth as "20/20" gets the dirt from the professionals we depend on... who confess what their colleagues do and say behind closed doors, what they really think about you, and how they mess with you if you get on their bad side. Plus, Toni Braxton tells all about her roller coaster career as a platinum recording artist. Reports include True Confessions on "Hotel Horrors", "Gym Trainers", "Tow Truck Drivers" and "Cops".

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From extreme shopping to saving yourself from embarrassment at the office holiday party and from holiday scams and real life Scrooges to Christmas-crazy neighbors "20/20" has the ultimate holiday survival guide.

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Katie Couric hosts the official recap of the year that launched social media into the collective global conscious. Celebrities, headline-stealers and special guests reflect on the events of 2012 - discussing the notable impact of this monumental year on human society.