To catch a predator shows us the investigations carried out using the hidden camera from Dateline NBC.
Maddie helps London become smart to win over the affection of a scholar. Meanwhile, Cody moves into the coat closet and makes it is own room after he has enough of Zack's sloppiness.
Denholm tries to reduce stress in the work place and invites a stress expert to give the employees a class about dealing with stress. Meanwhile, Jen buys new shoes that are a few sizes too small, which leads to a very painful result.
A crazed Cylon Raider attacks the Colonial fleet in a series of hit-and-run attacks. Overworked Viper pilots must defend a mining operation from this Raider that they nickname "Scar."
Monk and Natalie try to solve a diamond heist that promises a big reward. But in their race for the money, they face three unscrupulous competitors.
When a DNA synthesizer with the capability of customizing diseases is stolen from the campus where Charlie teaches, Don fears the thieves may be terrorists out to start or advance a bio-warfare program and also believes the theft was an inside job.
It's Jen's first day at Reynholm Industries and she is assigned the position of manager of the IT department. Roy and Moss quickly find out that she has absolutely no knowledge of computers whatsoever.
Jan holds a "Women in the Workplace" seminar at Dunder-Mifflin for the paper company's female employees. Michael, feeling more than a bit left out, decides to have his own "seminar" when he takes the male workers down to the warehouse.
Chris tries to put together the right outfit for the school pictures in order to convince the other kids that he's cool. Rochelle tries to earn extra money selling cosmetics from home.
Clark discovers that the new assistant at the Daily Planet, a bespectacled, bumbling woman named Andrea, is actually a mysterious female vigilante who stalks Suicide Slum. Her path crosses Clark's as they both seek the same criminal. Meanwhile, Clark's bottled-up grief threatens to get the best of him and LuthorCorp experiences a shakeup.
After Andy Reynolds, a dishonorably discharged U.S. Marine, goes missing, Jack heads to Tokyo, where Reynolds once confessed to raping a young woman. Back in the U.S., the other agents continue to investigate Reynolds' life, and learn that he had recently gotten the victim to tape a sworn statement that he wasn't the rapist after learning that a former lover had given birth to his child.
The 16 castaways are divided into four tribes of four: Older Men, Older Women, Younger Men and Younger Women. This season, at least one Survivor each episode is banished to a separate island miles away from camp. But that's not all bad: there's a hidden Immunity Idol somewhere on Exile Island.
Earl takes his car troubles as a sign that it is time for him to redeem himself for a long run of stealing gas out of a complete stranger's car.
When the women give the men makeovers in order to improve their chances of winning the week's only task, the geeks come out looking much more presentable than they did, and their confidence soars. After the girls have stylists give the men haircuts, eyebrow and chest waxings, and find a new wardrobe, the guys are sent to a bar for a round of speed dating, where three women spend a short period of time with all six men and then judge them on their conversation, appearance, and all-around social skills. The women observe the dates and critique their partners from TV monitors.
Hood's former classmate, the renowned climatologist Richard Adams, may have suffered a breakdown. Fired from his job at an environmental think tank, Adams claims that insidious powers are sabotaging his imminent breakthrough on global warming. Only by cracking an intricate code can Hood determine whether his friend - and the world - face real danger.
Sandy and Matt's hospital project hits a roadblock. Kirsten and Julie run into troubles of their own with their matchmaking business. Marissa confesses her feelings to Johnny. Summer finds out out about Seth.
The CSIs must investigate when a party girl is injured and killed in a traffic accident.
Dr. Nate Lennox, a former professor with ALS, is brought in as the progression of his disease is chronicled through his own flashbacks as he is treated by each of the doctors at one point. As Lennox wants to give up, Abby fights to convince him to keep on fighting.
After losing a ribbon to Harley, May arrives on Chrysanthemum Island, ready to win her third ribbon. Ash is also working hard trying to help Sceptile regain its ability to use Grass-type attacks after breaking its heart. When Drew shows up, May finds out he didn't send her the letter. Later, while training on the beach, she meets a girl named Brianna who reveals that she sent the letter and rose to May. When Brianna finds out May knows Drew, she grows embarrassed as she has a crush on Drew and intended the letter and Rose to be sent to him. When she finally meets Drew, Brianna claims that she will beat May in the contest and win Drew's respect and love! Meanwhile, Jessie also enters the contest with James' Mime Jr.