In space travel there is a saying that the first 50 miles and the last 50 miles are the most dangerous. See how a single spark inside a spacecraft or a micrometeoroid less than an inch wide hitting a space station can turn a routine mission into a lethal nightmare. As the missions become longer, venturing to Mars and beyond, the potential disasters will only become bigger. What would happen if a spacecraft ventured too close to a black hole or was hit by a gamma ray burst?
When a strange parasite attaches itself to the internal organs of a dying FBI agent, Olivia suspects a connection to the Pattern; Peter and Walter tap into a dead man's brain waves.
Stephanie is hell-bent on Orel having a better experience than her own at the school's annual "Arms Length Dance."
Noami grows spiteful as Annie and Ethan grow closer, causing her to deliver an unwelcomed surprise at Annie's sweet 16 party. Meanwhile, the school is all buzzing over the news that Ryan was given a leave of absence, and Adrianna discovers Navid's secret.
Mack, Charles' violent stepfather, is on the loose and making threats. When an attempt to catch him fails, he vows revenge.
Mike helps break down some homes at the Windsorland Mobile Home Park to make room for a new shopping center. Next, he heads to Patina-V where he learns the art involved in creating a mannequin.
A Navy bank has been robbed and NCIS is responsible for the investigation. One of the new recruits assigned to the fraud unit, Special Agent Dwayne Wilson, joins the team to help.
Stabler and Munch uncover a chastity club and a group of girls with a pregnancy pact at a high school where they came to investigate the death of a student.
Handcuffed, a man is found in his own hotel room. Meanwhile, a prank at the Crime Lab threatens an investigation.
The British economy is on the brink of collapse and if one more bank goes down the entire financial system will implode. Ros goes undercover in the City to flush out a dangerous international financier who wants to bankrupt the country. Suddenly, it is not just the economy, but Ros's life that is at risk.
Sara is left with no choice but to take Michael to the hospital as his condtion rapidly worsens. Sucre and Lincoln are faced with unknown territory as they are left in charge of the operation. Elsewhere, agent Self makes a surprising ally.
At a BioScience conference, Chuck runs into Jill, his ex-girlfriend who broke up with him and later dated Bryce Larkin. He flashes on her boss, Guy Lafleur, who is suspected to be working on biochemical weapons. Chuck is ordered to reconnect with Jill in order to gain more information on Lafleur. Meanwhile, Emmett wants the staff to take CPR lessons including a test.
Lone Star Taqueria (Salt Lake City, Utah) • Modern Cafe (Minneapolis, Minn.) • Brewburger's (Omaha, Neb.) Guy Fieri uncovers joints doin' things their own unique way; Near Salt Lake City, a retro joint makin' Mexican specialties like shark tacos; and in Omaha, a chef from Montreal is doing the Canadian take on Jewish deli.
Cromartie kidnaps Sarah and races to Mexico to find John. When Derek, Cameron and Ellison discover what has happened, they come to their defense, which leads to one final deadly confrontation with Cromartie.
Alan and Shirley help a minor in a legal battle over her pregnancy, and Jerry takes up his own defense when he faces aggravated-assault charges after an encounter with a bully.
When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.
Tension arises backstage at Peyton's USO show as Lucas deals with Peyton and Julian's past. While Haley tries to find a way to ease her stage fright, Nathan grapples with a decision that could forever change his career. Meanwhile, Brooke receives a call that could end her relationship with Sam and Millicent confronts Mouth over Gigi.
Barney creates a holiday to celebrate not being a father. Meanwhile, Lily and Marshall are considering having a baby, but Lily first wants advice from Ted and Robin.
Blair sets out on a mission to break up her mother and Cyrus Rose, her new man. Jenny moves in with Agnes as the two continue with their plans for their own fashion line. As Serena continues to fall for Aaron, she learns something that may derail their relationship forever while Dan interviews Bart Bass for an article for New York Magazine.