The nine remaining finalists - again - take the stage to perform live for the nation! After the performances, it is once again up to America to vote. Tune in to see who sizzles and who fizzles live.

Naomi's lie about Mr. Cannon spreads across the school. When she testifies in front of the school board, Naomi reveals some unexpected information. Annie finally moves on from her relationship with Jasper but feels haunted when she and Sliver drive by the scene of her hit-and-run.

Sade is the guest star in this week's result show. Having combined the judge's results with the public voting another couple will be going home.

Suze Orman assesses the players' financial health and predicts who will win this season. Also: The contestants balance quarters on a platter to win a cash prize; a challenge to find keys in the pouring rain yields the winners a huge prize; and Bob holds workouts in the mud.

In this two-hour special, NOVA examines how a simple instrument, the telescope, has fundamentally changed our understanding of our place in the universe. What began as a curiosity-two spectacle lenses held a foot apart-ultimately revolutionized human thought across science, philosophy, and religion. "Hunting the Edge of Space" takes viewers on a global adventure of discovery, dramatizing the innovations in technology and the achievements in science that have marked the rich history of the telescope.

Hurley tries to determine what he has to do to save everyone, and who to listen to. Meanwhile, Locke meets Desmond, Richard insists on blowing up the plane, and in another life, a rich and successful Hurley meets a woman from an insane asylum who insists she knows him.

The 2009 King crab season begins with tensions at an all time high. One deckhand threatens to quit, while another sets his pre-mature sights on the wheelhouse. When the captains gather for their annual meeting, a line is crossed.

Finn and Rachel are finally a couple, but for how long? Jesse St. James (Jonathan Groff), lead singer of Vocal Adrenaline, catches Rachel’s eye and sways her heart, but what are his real intentions? Looks like he and his coach are up to no good. Will gets to kiss two women, but somehow ends up alone. Sue Sylvester is back as an even more conniving coach of the Cheerios. Quinn being out of the picture, Heather and Santana do her "dirty work".

Amanda fires Ella from WPK, Ella then searches for anything to blackmail Amanda. Unfortunately for one of the ladies, the end result is worse than she could have ever imagined because only one will be left standing when the episode ends. After attending a NYU reunion, Jonah asks Riley to reconcile and Lauren and David get back together but a jealous Morgan retaliates and puts Lauren's life in jeopardy.

Constable Crabtree has a family member visiting him who is driving him to distraction. Meanwhile, Murdoch is investigating some mummified remains with Dr Ogden's help.

Nichols runs into an old nemesis while he and Stevens investigate the murder of an NYPD detective in Queens. However, matters become more complicated when a local officer with ambitions maneuvers himself onto the case and begins to orchestrate the direction it takes.

Sarah and Amber are both attracted to Amber's teacher, while Crosby tries to have a romantic moment with Valerie, but because he can't leave Jabbar alone too long the moment doesn't turn out that well. Meanwhile Julia thinks about doing pro bono work, but she's sure that her boss will not approve it. While Adam really needs a break from everyone.

Erica, Ryan and Jack go on a harrowing mission to find the legendary John May in order to rescue Georgie, Anna brings Chad aboard the Mothership for a story on her Live Aboard Program, and Tyler confronts his mom about his mysterious past.

When a convict invades the Marshals' Office with practiced calm, it ends in a violent hostage situation. However, Raylan knows how to beat the convict at his own game.

Guest: Host of MSNBC's "The Rachel Maddow Show", Rachel Maddow.

Jon Mooallem

Actor Nicolas Cage; Lady Antebellum performs.

Ruby is is reluctant to take anti-depressants as her problems continue. When she takes some pupils to a local farm things don't go to plan. The farm is run by pupil Craig's brother and is in deep financial trouble. Mark had asked Craig to cancel the trip but he hopes that Ruby will convince Mark to sell the farm before it is too late. Josh gets sprayed in the face with some dangerous chemicals when things get out of hand after alcohol is drunk by some of the pupils. Ruby is able to bring back the brothers closer again and they decide to do what is best for both of them in the future. Ruby ends up being forced to share her problems with Rachel. Chris and Kim's peer mentoring scheme causes all kinds of problems. Chris offers to go with Kim to her ultrasound on the baby.

The teacher Connie Bishop wakes up in the middle of the night in Badger's Drift, convinced she has heard an intruder. Days later a local councillor, who was rather obsessed with her, is found murdered. Is Connie innocent or is she hiding something?