One castaway learns a secret that will potentially change the game, and chaos ensues when confused castaways are undecided on whether to vote out an easy target or blindside a big threat.

The remaining AMERICAN IDOL finalists perform on the IDOL stage once again to win over the hearts of the judges and the nation. After the performances, it is up to America to vote for their favorites. Tune in to see who triumphs and who falls short.

After successfully graduating from dental assisting school, Frankie attempts to interview for a job but discovers that, when asked about herself, she doesn't quite know how to describe who she is. Meanwhile, when Axl gets his band their first paying gig at the Orson Dollar Days, Sue becomes a 'Yoko' to boyfriend Darrin's 'John' and begins to offer unwanted advice to the group; and when Brick informs Frankie and Mike that he has joined the Prairie Scouts, Mike ends up reluctantly having to lead his quirky troop's camping trip. Jack McBrayer guest stars as Dr. Goodwin, who interviews Frankie for a possible job.

When it comes time for Ryan to choose a college, Tessa endeavors to remain neutral even though Ryan begs her to decide for him. George asks Dallas to move in with him in the most unromantic way.

Hidden in the red hills of Australia are clues to the mysteries of Earth's birth, how life arose and how it transformed the planet into the world we now live in. Experts unveil the earliest forms of life: an odd assortment of bacterial slime. Life like this would flood the atmosphere with oxygen and spark the biological revolution that conquered the planet. Travel with NOVA and host Dr. Richard Smith to meet the cast in the first scenes of the great drama of life on earth.

When a time capsule in a small Colorado town is opened twenty-five years later and contains a gruesome discovery, the BAU investigates the crime and find a possible link to the death of a local police officer.

Phil is pretty confident in his ability to sell Claire and Cam's flipped house, but when it proves to be a little harder than he thought, he recruits the whole family into taking some desperate, borderline crazy measures. Meanwhile, Javier is visiting Manny and brings along his new girlfriend, which doesn't sit very well with Gloria.

While a winter storm hammers Yellowknife, a couples' weekend in Calgary goes sideways after the arrival of Blake's sister and Krista's discovery of Bobby and Petra's kiss.

A firebombing drops the Laszlos between a vengeful Chinese gang and justice-seeking police. Grace finds a link between Jimmy's organization and the shooting outside Sam's school.

Gerry suspects that Dwyer is moonlighting as a stripper and there's only one way to find out for sure.

When Polly hurts her back training for a 5K and becomes confined to the couch, her parents step in to take care of Natalie. Elaine finds herself in an awkward situation with Natalie's classmates when they ask her to explain heaven and religion. Meanwhile, Max and Elaine encourage Julian to give Polly some space.

When the CSIs investigate a triple homicide, Russell has to find a way to connect with a 6-year-old girl who was the sole survivor and witness.

The gang spends the weekend at a casino resort for a wedding and crosses paths with a local crime boss whose presence jeopardizes the impending nuptials.

Chaos prevails in the city of angels when Cooper and Lucero are kidnapped and held hostage by a pair of tweakers. All of our cops join the frantic search to find their brothers in blue before it is too late. Sammy searches for Strokeface. Ben tries to throw Sammy off the trail while simultaneously dealing with an increasingly irrational Brooke.

A personal crisis in Nashville causes Rayna to leave the tour in New York City before her sold-out concert with Juliette, but for Juliette, the show must go on. Jolene stakes a claim on her sober counselor Dante as Juliette gets closer to him personally and professionally, and Deacon doesn't like the woman Juliette has become and tells her point-blank. Gunnar declares the next 24 hours a "Scarlett O'Connor party" to celebrate her success, and she brings Will along to join the fun. Meanwhile Avery becomes a roadie for Juliette, and secrets involving the men in Rayna's life see the light of day.

Jordan angers everyone; the roommates interview for jobs; one roommate wants to leave; Johnny struggles to keep up with Averey's appetites.

Coming Soon...

Willie calls the team into work on a Saturday afternoon for an HR training session, but the seminar quickly dissolves from unproductive to complete disaster. When Phil and Kay set out on a long drive to purchase a brand new washer and dryer, they find themselves lost on the outskirts of town. Unwilling to ask for directions, the trip home becomes an epic journey.

Stan pursues a lead that puts him on the trail to one of Gregory's crew members, closing the gap between him and Elizabeth, and reigniting some of the deepest conflicts between her and Philip.

Ken Burns

Jeremy Piven, Jeremy Wade, The Three O'Clock

Shane Smith

Harrison Ford, Rita Wilson, Jake Bugg

Charlie Sheen, Andy Enfield, Brad Paisley

Julia Louis-Dreyfus, Myq Kaplan, He's My Brother She's My Sister

Liz Bonnin takes a look at the world of invention as she reveals some of the people and technologies set to transform all our lives in the years to come.