The contestants who impressed the judges in their respective audition cities will head to Hollywood, where some dreams will come true and others will come to an end. The intensity of the competition heats up as hopefuls chosen from around the nation vie for a coveted semifinalist spot.

While other kids begin receiving college acceptance letters and Axl still hasn't, Frankie and Mike begin to worry that their son's chances for a sports scholarship have passed him by. Meanwhile, Sue is determined to prove that smiling is contagious as a hypothesis for a school science project, and a relentless Brick begins pestering his parents for an iPad.

In an effort to have some time by himself, Alex lies to Whitney about going away for a tech seminar. However, Whitney soon uncovers the truth and makes them go to couple's counseling. Meanwhile, to Lily's surprise, R.J's eight-year-old niece takes a liking to Roxanne.

Cyrus Vanch, a nefarious criminal, is recently released from prison and intends to re-secure his position as leader of the underworld. His first step is to take down his biggest opponent in the city - Arrow. Meanwhile, Oliver shows Moira his father's notebook and questions her about the names on the list. Thea is miserable as she starts her internship with Laurel at the legal aid office and Detective Lance makes a deadly mistake that puts Laurel in the crosshairs of Vanch.

A rogue dragon - a Whispering Death - shows up in Berk, tearing up the village. He's on a mission to find Toothless and settle a score. Despite Hiccup's efforts to help, Toothless insists on facing the dragon alone. But unlike their past battle, Toothless's inability to fly my prove to be his undoing.

Rising tension between Lorna and Gladys is amplified by Gene's volatile behaviour. VicMu hosts a cavalcade to raise money for war bonds.

After a near death experience, Gary and Marny worry about who will take care of their kids if they die. When Emily hastily agrees to be a guardian for the four kids, Nick tries to get out of it by making Emily look like a bad parent. Meanwhile, Chris becomes jealous of Ernie's new male nanny Andy.

Debbie's relationship advice to Reggie Jackson about nerdy new girlfriend Giselle backfires badly, making things even more difficult for Jackie and Larry, who are having a hard time dealing with the fact Reggie even has a love life. Meanwhile, Amber resists Debbie's attempts to talk about her new boyfriend, handsome but dim jock Jeremy.

An investigation into the 1890 House in Cortland, N.Y., delves into the background of the mansion's original owner, businessman Chester F. Wickwire, and his ancestors.

3,600-year-old reliefs in Egyptian tombs and temples depict pharaohs and warriors proudly riding into battle on horse-drawn chariots. Some historians claim that the chariot launched a technological and strategic revolution, and was the secret weapon behind Egypt's greatest era of conquest known as the New Kingdom. But was the Egyptian chariot really a revolutionary design? How decisive a role did it play in the bloody battles of the ancient world? In "Building Pharaoh's Chariot", a team of archaeologists, engineers, woodworkers, and horse trainers join forces to build and test two highly accurate replicas of Egyptian royal chariots. They discover astonishingly advanced features, including spoked wheels, springs, shock absorbers, anti-roll bars, and even a convex-shaped rear mirror, leading one of them to compare the level of design to the engineering standards of 1930's-era Buicks! By driving our pair of replicas to their limits in the desert outside Cairo, NOVA's experts test the claim that the chariot marks a crucial turning point in ancient military history.

When the daughters of Bruce Morrison, a writer whose wife mysteriously vanished a year ago, go missing on the anniversary of their mother's disappearance, the BAU is brought in to study Morrison as a possible suspect.

When a janitor brutally attacks an athletic coach, the SVU connects his violent behavior to a history of sexual abuse by someone he trusted. The detectives soon uncover more victims of the same predator, including a prisoner on death row. When the truth finally comes out, Detective Benson enlists Bayard Ellis to dig into the case before the looming execution date.

While investigating the Men of Letters, Sam and Dean find the group's secret headquarters. As they set up shop, the brothers discover that a rabbi, Isaac Bass, spontaneously combusted and had ties to the Judah Initiative, a secret group that fought Nazi necromancers during World War II. When the brothers investigate, they meet Isaac's grandson Aaron... and the clay golem that Isaac gifted to him.

Cameron is putting on the school production of "Phantom of the Opera", but when their star falls ill, Manny pulls all the stops to land the lead - even if that means going against Luke. Meanwhile, Jay teaches Phil to golf and they wind up in a golf-off with Pepper and Mitch; Gloria takes Alex along on errands which include a visit to a psychic; and Claire's adventures in babysitting Joe and Lily become a comedy of errors.

Bobby backs Jim McAllister in a tough-guy boxing tournament as part of a last-ditch bid to save his diamond claim; and Arctic Air falls into crisis when Blake's friend joins the crew.

Gerry develops a crush on the Scottish mother of one of his most annoying students.

Dallas and Dalia's lives are turned upside down when it's discovered that part of Dallas' property is located in East Chatswin. Tessa struggles with producing the Chatswin High TV show, "Teen Talk", when Ryan is selected as the host of the show.

When CSI Mac Taylor decides to surprise his daughter in Vegas, he discovers she's missing and asks his friend D.B. Russell for help. Meanwhile, the CSIs investigate the loss of a local wine collector.

The foodies dock in Juneau, Alaska, and must prove their culinary worth with a local delicacy, king crab. Then, they're tasked with giving their own spin to salmon-and-sourdough dishes. Sean Brock is the guest judge.

At a rustic spa retreat, Joy tests her newfound sleuthing skills on a suspicious Yogi. Victoria learns what it means to be a responsible friend. Mamie confronts Elka about her bossiness. Melanie's fasting causes hallucinations.

Dr. Dani tries to help hot-tempered Coach Purnell keep his cool. Nico and Matt investigate a major scandal. TK turns to the Hawks' Quarterback to try and get himself back up to #1 wide out. On the eve of Angela's birthday, Dani's sister comes to town.

The guys get hooked on betting on high-school sports.

Severide finds that he shares a familiar past with Eric Whaley, the Lieutenant who was brought into the firehouse to help out. Dawson lets Shay in on her secret, while Casey deals with family issues. Meanwhile, a bad batch of heroin on the streets has Boden and the team scrambling, while Clarice and Shay find they have a new problem to overcome.

Rayna begins to settle into the tour when she discovers that Deacon has joined Juliette's band on the road, and she can't help but think that maybe the time has come to make some hard decisions. But will a heart to heart with Deacon help ease the sting of the revelation? Meanwhile Juliette is tired of her bubble gum pop success and is interested in exposing who she really is, though her team is convinced that will damage her commercial success. And Scarlett is counting pennies to keep her head above water - until Gunnar makes her an offer she can't refuse.

Coming Soon...

When Philip and Elizabeth are given an urgent task to plant a bug in Defense Secretary Caspar Weinberger's office, they risk exposure when an unwilling maid of the Weinberger home refuses to cooperate. Stan closes in on a member of the Soviet Rezidentura in an effort to uncover the identities of deep cover Directorate S operatives.

A dangerous explosion rocks the roughnecks of Rig 28, and it's an all-out sprint to finish the fourth and final hole before the looming deadline. With no driller to take charge, Freddie commands Oscar to do it himself. That doesn't sit well with Mitch, who's been gunning for the job. A battle between the two leaves only one man standing - but not for long, as an injury takes out a key player. And finally, Brandon's long awaited day in court arrives, and he must face the consequences of last year's brutal assault.

Fran saves her neighbor's life and imagines the debt between them will be settled, but letting it go is easier said than done.

Liz and Liz promote yogurt water, Rich Dicks go shopping, and Oh Hello's Gil & George play a prank.

Ed Whitacre

Rooney Mara, Jeff Ross, Dirty Projectors

Lawrence Wright

Joel McHale, Ken Licklider, Elvis tribute artist Justin Shandor

Tim McGraw, Bar Refaeli

Emmy Rossum, Jon Ronson

Former pupil Bolton Smilie causes a stir when he turns up in his army uniform to see Tom, but will Tom discover his real motivation for coming back before it is too late? Meanwhile, the Barrys' treatment of Connor leads Imogen to realise she still has feelings for him.

British Army Corporal Scott Lambert requests Leo's expertise in identifying human remains unearthed in Afghanistan, believed to be those of his brother Daniel, who went missing in action five years ago, suspected of being captured by the Taliban. Anxious Leo, Nikki and Jack head for the war-torn country in search of the truth about the soldier's mysterious disappearance. Staying in a compound by a small town with ex-military security officer Sean Nugent and his detail, the team discovers that there is far more at stake than simply identifying a soldier's remains. The crime scene is preventing the completion of a vital charity water sanitation plant project, spearheaded by inspirational Afghan charity worker Fawzia Joya. And although initially understanding of the team's mission, when ruthless Taliban attacks begin to threaten their investigation, she fears the construction delay will jeopardise the project's completion, putting thousands of Afghan lives at risk from contaminated water.