A series of murders is linked to a serial killer executed a year earlier, and the BAU team must find the link between the dead killer and the new spate of crimes.
Mike enlists an old Army buddy to help take down a drag racing gang which is also in the business of arms smuggling overseas. Sarah joins Mike and KITT despite her father's disapproval.
Tripp and Letitia Darling throw Nick a luxurious birthday party on a yacht; Jeremy reveals his feelings for Lisa to the mysterious Nola Lyons; Brian is reunited with his illegitimate son; someone is arrested for murder.
Richard begs Christine for the return of her old wedding ring which was an heirloom from his mother, in hopes of giving it to new Christine when he proposes.
Gemma hosts a town fundraiser, bringing the former club member responsible for Opie's arrest back to town; Clay deals with protecting a perverse parolee who can lead to a big payoff.
A series of deaths from radiation poisoning may be related to a deadly tome in the New York library.
The remains of a despised office manager are discovered in an elevator shaft, and Booth and Brennan must figure out which employee killed him. After some investigating, they find that the manager had more than a fair share of complaints on file. Meanwhile, Angela and Hodgins try to make peace in the lab after their break-up.
In the third-season opener, Eric fights to keep his job and helps Smash rebound. Elsewhere, Tami faces new challenges as principal; Tyra frets over college; Billy proposes; and tension escalates between Lyla and Riggins.
The contestants head to the New York Botanical Garden to design an evening gown inspired by nature. They have $250 and two days to complete their dress.
Tanuma finds out Nyanko-Sensei is a spirit. Tanuma and Natsume enjoy the autumn festival and previous acquaintances are seen again.
When career criminal Wolfgang West gets put away for four years, his wife Cheryl decides it's time for her family to go straight. But can the Wests change the habits of a lifetime?
When Debbie is given the opportunity to shoot a fashion show for Nylon Magazine, Annie uses the event for a school project. Naomi tries to use the shoot to mend her parents' marriage, but her plan ends up backfiring. Meanwhile, Kelly receives a phone call that changes her relationship with Ryan.
While Lisbon and her team investigate the murder of a young waitress in the Napa Valley, Jane goes behind Lisbon's back to orchestrate his own undercover operation using Van Pelt as bait.
This episode demonstrates the production processes for javelins, cuckoo clocks, hearts of palm, windshield wipers.
A painter's undiagnosed illness affects his work, and House and his team must look at the man's paintings to determine what's wrong with him.
The brother of an striving actress discovers his sister cocaine addiction and tries to get William's crew to help. Akani races to find Sweton after he mysteriously goes missing.
Claudette encounters a murderous old nemesis; Vic confronts Olivia about her political connections; Dutch's case gets personal.
Broyles calls in the team to investigate a deadly explosion and its source: a strange cylinder unharmed despite the destruction. Olivia determines that the same cylinder, or a similar one, is responsible for similar events in widely diverse locations.