Rachel and Kurt pay a visit to Lima as the glee club launches its production of "Grease". Meanwhile, Cassandra July returns to shake things up in Rachel's life, and Santana comes back to lend a helping hand.
A global cataclysm, caused by a fatal accident in Geneva (Switzerland) during the implementation of the particle accelerator will lead to the crew and students of the school-ship Polar Star to live the greatest adventure of their lives. Isolated and aware that we only have each other, the ship will become their only home.
Pablo is a man with a natural ability for business. Early in his life, Pablo is introduced to the business of cocaine and the power it yields. A young life of crime lands Pablo in and out of jail as he builds his criminal empire. Pablo expands his power through politics but it is not long before his conflicts as a Congressman and a drug lord collide. Pablo has his enemies executed, but not before the United States activates its own war on the Medellin cartel.
Jenni plans a shower for Snooki; the guys support Mike's decision to break up with Paula.
Olivia receives an anonymous letter containing a coded warning which could expose Huck's dark past. Meanwhile another Pope & Associates secret has already been exposed and Olivia asks Harrison to step up and handle it. And in the White House, Cyrus and Fitz are dealing with the ramifications of Cyrus' husband's first front page news story.
Tracy and Jack engage in a battle of wits after Tracy depicts Jack as a villain in his latest project. On Jack's advice, Liz puts her own needs ahead of those of "TGS." Meanwhile, Jenna tries to shield Kenneth from Hazel's manipulation but her own selfishness gets in the way.
Near Vertress City, the gang meets the Pokémon Rescue Squad's Virgil - trainer of Team Eevee - and his brother Davey, whom they decide to assist in helping a group of troubled Cryoganal.
Hair and Wax is everywhere in this episode. A select few are treated to a dinner party. And some familiar faces return.
The Geeks try out bodybuilding. Another makeover for a lucky Geek. And the nominations get tense as we get closer to the final.
Follows at-risk youths in prison intervention programs, revisiting them a month later to gauge program impact after confronting realities of incarceration.
After she's seemingly stood up by Vincent, Cat wonders if it's because he saw her kissing Evan at her birthday. Actually, Vincent mysteriously blacked out on his way to meet Cat, and is now searching for answers. Cat's case pulls her into the sophisticated world of the SoHo art scene. When Vincent finds Cat all dressed up to go to a gallery opening -- with Evan -- he has to admit that his feelings for her are growing deeper. All the while Evan makes his affections for Cat known, leaving Cat torn between the two very different suitors.
Alan feels reluctant to make a commitment to Lyndsey, but an unexpected source inspires him; Walden enjoys being the boy-toy of a wealthy older woman.
The fifteen chefs who remain after last week's qualifying challenge must think on their feet and at a high elevation when a twist complicates their challenge.
Justin learns how to choose the right game to play so that Rexy, Olive's huge friendly pet dinosaur, can join in too!
When a woman claims that the baby she kidnapped is hers with a respected legal expert, the investigation changes the lives of two families.
Masters of the water and air, they have conquered the globe. From deft dabblers to great divers, these are one of the Animal Kingdom's ultimate athletes. Take a fascinating look at one of our most familiar birds.
Illegal traffic between the Rio Grande and the Falfurrias Checkpoint in South Texas.
Josh Gates joins the team as they investigate a spooky castle minutes away from his childhood home!
Why go back to Mars? Far from dead, Mars holds untold potential. Nearly half a century of Mars exploration has yielded tantalizing clues that Mars may once have harbored life—and may harbor it still. The extraordinary landing of a revolutionary rover named Curiosity—which successfully touched down inside the Gale Crater—means we have wheels down on the planet once again, in the form of the most sophisticated robot ever to rove the Mars surface. Will NASA's bold mission and this marvel of technology answer some of our biggest questions and usher in a new golden age of exploration? NOVA goes behind the scenes on NASA’s quest to solve the riddles of the red planet.