When a man is killed driving an SUV registered to a Middle Eastern man, Dr. Brennan and her team find themselves tracking a terrorist.

Rory begins serving her 300 hours of community service and finds that life on a road crew is not pretty. Lorelai and Luke try to decide whether they will fix up Lorelai's house or buy the Twickham house. Luke's sister Liz begs him to hire her husband T.J. as a contractor. When Rory pays Luke a surprise visit at the diner to find out how Lorelai is, he feels obligated to tell her that he and Lorelai are engaged. Afterwards, Luke confronts Lorelai about her estrangement from Rory. Feeling lonely, Lorelai adopts a dog at the Stars Hollow pet fair. Finally, during a chance meeting, Lorelai and Rory have an angry confrontation about their mutual hurt feelings.

Dr. Wilson convinces House to take the case of one of his patients, a young girl with terminal cancer who starts suffering from hallucinations.

Today is the first day of the rest of Earl Hickey's life. After coming into a $100,000 scratch-off lottery ticket and losing it just as fast upon being hit by a car, Earl has an epiphany in the hospital--to make up for all the terrible things he's done in the past. With his brother Randy and a motel maid named Catalina, Earl writes up a list of every misdeed he was a part of. Earl sets out to do just that, starting with number 64--Kenny James, a boy he picked on in elementary school.

After the terrorist's attack, the NCIS team is shocked and is trying to cope with Kate's sudden death, each in their own way. Now, their mission is to collect all the possible info on Ari and find a way to stop him before he does any more damage. Meanwhile, while feeling guilty over Kate's death, Gibbs is informed that the NCIS director is leaving, and the replacement is Jenny Shepard, a woman Gibbs worked with in the past and had a romantic history with.

Kelly Monaco and John O'Hurley will return to the Dancing with the Stars ballroom for a so-called "dance-off" on Sept. 20. The results, based solely on viewer voting, will be announced in a Sept. 22 telecast.

The contestants' diets are put to the test when they are told that if they eat some high-calorie treats, they will be given a letter from home. Who will be able to resist the temptation? Plus, who will win the next challenge, which deals with balance, and who will be voted off of their team?

Coming Soon...

The fifth season premieres with Jim sneaking off to a Cubs game with Kyle instead of taking him to his first day of kindergarten.

It was the greatest flood of the past two million years, and it posed a giant scientific riddle. A maverick geologist became convinced that thousand-foot-deep floodwaters had scoured out vast areas of the American northwest near the end of the last ice age. Mainstream scientists scorned his theory while he searched patiently for answers to what could have triggered such an inconceivably violent event. Finally, an ingenious solution silenced the skeptics: traces of an enormous ice dam half a mile high, which had blocked a valley in present-day Montana and created an enormous lake behind it. With the help of stunningly realistic animation, NOVA takes viewers back to the Ice Age to reveal what happened when the dam broke, unleashing a titanic flood that swept herds of woolly mammoth and everything else into oblivion.

After the annual staff Dundies awards is redlined by corporate, Michael is uncertain if he can produce the calibre of evening his staff have come to expect. Pam meanwhile develops second thoughts about her engagement to Roy while watching video footage of old Dundies award nights. Dwight hears a rumor of malicious graffiti in the female toilets and schemes to find out more. The entire office meets at Chili's for the Dundies awards show, and together experience a night they will never forget.

Sam and Dean head to Colorado to check out the coordinates that their father left them in his journal. When they arrive, they pose as park rangers to investigate the disappearance of three campers and soon discover that they're up against a Wendigo, a mythical creature from Native American folklore.

Twenty years after being convicted of the rape of a teenage girl, Ray Schenkel is released, much to the dismay of retired detective William Dorsey. When a teenage girl is raped on the route Schenkel would have taken home, Stabler goes undercover as a recently paroled sex offender so that he can get into the same therapy group as Schenkel, and the same halfway house. Cragen worries that Stabler may be getting in over his head.

After Christian's Carver attack, Sean must look for a new partner to keep the practice going. Sean has to surgically separate an obese woman from a couch she has spent the past three years on. Julia realizes that she has to make a decision about the future of her marriage.

A drunken Johanna is arrested after stealing a rose from a street vendor.

TONIGHT: Author of "Never Have Your Dog Stuffed," Alan Alda! Plus, new correspondent Dan Bakkedahl reports on "Bumvertising."