Monday: Best Life Week: Falling Off The Wagon

It's day one of Oprah's Best Life Week and today she opens up like never before. In a candid interview, Oprah talks about the weight she’s gained and how it happened after she thought she'd won the battle. She and exercise physiologist Bob Greene share exactly what she's doing -- and you can, too -- to get back on track. You'll get the diet tips, workout plan, and guide to putting yourself back on your own priority list. Have you fallen off the weight control wagon? Find out what to do now to get right back on.

Tuesday: The Octuplet Controversy: Dr. Oz Weighs In

The California octuplets are almost 1-month-old. People everywhere are still talking about Nadya Suleman -- the unemployed, single mom of now 14 children. For the first time, we hear from the man who says he raised Nadya and knows her best: her father. On Tuesday's show, he shares his thoughts on Nadya's decision to have so many children, how it's affecting the family and what he thinks of her fertility doctor. Then, Dr. Oz weighs in on how the medical community is reacting.

Wednesday: Inside American Idol, The Queen's Palace, Valentino's Empire

On Wednesday's show, we have access to some of the most restricted places in the world. First, a rare glimpse inside Queen Elizabeth's favorite home. The royal family opens its doors and lets our cameras into Windsor Castle. Then, we're going backstage at the number one show in primetime. American Idol host Ryan Seacrest gives us a behind-the-scenes tour of what happens before the judges and contestants take the stage. Plus, Oprah goes inside the legendary Valentino empire. The renowned designer tells Oprah the stories behind some of his exquisite dresses and remarkable fashion shows.

Thursday: The Little Girl Found Living Like An Animal

A neighbor reports a pale little girl without clothes hidden from the world. See what the police found when they entered her home. And learn what happened to the biological mother that neglected this little girl for so many years. Then, find out what happens when a family opens their hearts and their home to this traumatized child. World-renowned child psychiatrist Dr. Bruce Perry joins Oprah to talk about some extreme cases of child neglect, and the story of 10-year-old Danielle, a child whose story shocked the country.

Friday: Oprah's Sandwich Showdown

It is our first-ever sandwich showdown. Three viewers team up with their culinary heroes: celebrity chefs Ingrid Hoffman, Curtis Stone, and Tyler Florence. They go head-to-head to determine who can cook up the best sandwich. Each team works against the clock for the moment of truth when Top Chef’s Padma Lakshmi weighs in on who should be declared winner! See the judges' table verdict and don’t miss the surprise twist. Plus, Gayle King is going coast-to-coast in search of America’s best sandwich. See her mouth-watering picks on Friday's Oprah.

More: Oprah.com