After a young Muslim Marine is murdered near his Mosque, Ducky refuses to perform autopsy due to his religious beliefs, so the NCIS team tries to talk to the father of the deceased, and they send McGee to plant a bug in the Mosque, only to discover that the FBI already planted their bug.

The No. 1 show on television returns for an all-new season with new contestants, new dreams and, of course, the best and worst auditions from Philadelphia, PA.

A game of "Elimination", where the last team standing wins immunity for the week, causes rifts in the house, as the remaining eight teams get more competitive with each other. But Bob and Jillian are determined to work their teams harder in order to post more impressive numbers on the big scale at the weigh-in.

Cheryl and Jim enjoy a special night home together without their kids that turns into a food fight. Andy, who's been watching their kids and was a victim to their pranks, goes on a revenge hunt against Jim, trying to make Cheryl to really start analyzing her marriage.

Our mastery of cold is something we take for granted, whether it s air conditioning and frozen food or the liquefied gases and superconductivity at the heart of cutting-edge technology. But what is cold? How do you achieve it, and how cold can it get? This two-part NOVA special brings the history of this frosty fascination to life with brilliant dramatic recreations of high moments in low-temperature research and the quest for ever-lower notches on the thermometer.

Now that Peyton and Brooke are back in Tree Hill, Lindsey worries that the two might threaten her and Lucas' relationship. Meanwhile, Nathan visits Dan in prison (his first visit in four years) and gives him a picture of his grandson. Meanwhile, Haley tries to persuade Quentin to return to school, Brooke opens her store in the old Karen's Cafe and Peyton signs her first band.

Mike Rowe gets dirty in St. Louis, MO as he works with a river barge demolition team.



He then learns how to melt down the scrap steel across the river in Illinois.

Denny puts the whole firm on edge when he unilaterally takes on a high-profile murder case and refuses help from anybody else, especially Alan.



Meanwhile, Jerry and Katie represent a woman whose husband divorced her after being "brainwashed" by an ad campaign from a sleazy lawyer.

Benson and Stabler investigate a tutor after a student is beaten and sexually assaulted, but their investigation soon leads them to another student.

As Julia's health worsens, Christian falls back into old habits. Sean hires Gina as the new receptionist at McNamara/Troy in order to get back at Christian. Dawn Budge returns to McNamara/Troy after another unfortunate incident which requires cosmetic surgery.

Scientists have no idea what it is, but Dark Matter and Dark Energy make up 96% of the Universe. Dark Matter is everywhere. It passes through everything we know on earth at billions of particles every second, yet no one has ever gotten a direct detection of this mysterious dark substance. An even more bewildering force is Dark Energy, which is rapidly pushing apart our Universe. Discovered only ten years ago, scientists are struggling to comprehend its unusual characteristics and answer the ultimate question; what is the fate of our Universe?

Tonight, former U.S. Ambassador to the United Nations and author of Surrender Is Not an Option: Defending America at the United Nations, Amb. John Bolton.



Jon begins tonight's show with an inside look at his Jimmy Legs and the medication that exists on the market to help combat this affliction. Unfortunately, one of the many side effects of the cure is diarrhea and increased gambling.



Finally, one year left in Bush's presidency and Jon reviews Bush's first ever trip to the Middle East in a segment called "Bush's Bucket List". Bush also takes some time to visit the troops and gives them his prediction of what will be written on the final page of history.

After finding 5,000 silver dollars in the office safe, Leslie creates a giveaway where customers get to stand in a glass box with dollars blowing around them by a fan. Unfortunately thieves are attracted and hold the staff of the Greens & Grains hostage.

Tonight Stephen welcomes Jared Cohen, author of Children of Jihad: A Young American's Travles Among the Youth of the Middle East.



Also Stephen talks with Peter Hopkins, co-founder of bigthink.com.

Ishida and Pesshe continue there battle with Cirucci, and gain the upper hand when Pesshe uses his infinite slick, making Cirucci release.

Tim and Zoe decide to put their Regency house in Cheltenham on the market when it becomes too costly to run. With the money from the sale they want to build an ultra-modern, low-maintenance house in part of the back garden. Along the way they encounter many problems and set backs though.

Jack is in for a surprise when Captain John Hart, a man who he long thought was gone, comes to greet him...