Adam and Kristina try to cope with their son's Asperger's Syndrome. Sarah is job hunting with the help of Zeek that pushes her to dream big. Meanwhile, Crosby bonds with his son and Julia deals with a difficult mom from Sydney's school.
Naomi returns from her vacation in St. Bart’s excited to spend time with Liam, which leads to the two getting up close and personal in his newly built boat. Adrianna and Gia bond during an AA meeting and establish a support system for each other which leads to the two sharing a kiss at the Beach Club. Navid and Dixon devise a plan to eliminate Jasper from Annie’s life, but never anticipate the outcome of a school drug search. Dixon attempts to rekindle his relationship with Silver, while Silver hides her true feelings for Teddy. Harry and Debbie run into Kelly while attending a school function and Debbie confronts Kelly about having a crush on Harry.
The world underground undergoes devastating changes in a Life After People. Geothermal power plants buckle under the strain of superheated steam. NORAD, America’s former nuclear command center, comes under attack. An abandoned town is overrun by 400 million animals. 50-ton minerals grow unchecked in an abandoned mine.
Ilana discovers Ben killed Jacob, so she plans to kill him. Meanwhile, Jack, Hurley and a suicidal Richard visit the Black Rock. In the flash sideways, Ben, a high school teacher, tries to blackmail the school's principal.
During Marathon Monday, a BMS drinking tradition where the whole campus parties from 6 a.m. Monday to 6 a.m. Tuesday, Alex meets and hooks up with the girl of his dreams who turns out to be just like him and Sammy and Craig go on a drinking binge together.
John and Ben are the first responders to a gruesome triple homicide in Hancock Park, where a mother is bludgeoned to death and her young daughters are found bound, gagged, raped and dead in their bedrooms. In investigating the case, Lydia and Rene realize they have two very different investigation styles. Meanwhile, Sammy continues to have problems with his wife and Ben confronts John about his increasing reliance on pain pills.
Wedding bells are in the air on the estate, a little too frequently for the police, as the Maguire's exploit a new money-making scheme. Business turns to pleasure when Shane asks Kelly to marry him, but his dream soon becomes a nightmare when she turns him down. As his life unravels Shane uncovers a terrible betrayal by those closest to him and must suffer for the sins of his father. Hitting rock bottom he finds the strength to make an important decision. Now Libby and her mother are firmly nestled in the Gallagher house, Frank 'volunteers' to paint Patty's converted bedroom. But in the pursuit of a bargain, Frank falls and feigns injury leading to a potentially disastrous face-off with Patty. Elsewhere, Chesney holds a house party to get close to Sammy, but a promise turns to a threat when blood is spilt, leaving awful consequences.
As Peter strategizes on how to handle his retrial and the next steps in his public rehabilitation, Alicia and Will defend an attorney arrested for murder.
Tragedy strikes close to home when Brackenreid's son Bobby suddenly disappears while playing with a friend on a sunny afternoon in bustling Allen Gardens.
After a sailor is killed during an underground street race, the NCIS team determines that his car had been sabotaged and contained confidential Navy equipment. Meanwhile, Callen is forced to take traffic school.
Harry loses his cool with 3 swimmers that he's forced to rescue just seconds after warning them not to swim in a dangerous area. However, calling them "imbeciles" and "idiots" puts him in hot water.
Devin, Joe, Mike, Sam, Sean and Tim take a walk over to the Silent Library. Featured Challenges: * Round 1: Clean Nose, Fast Cream, Bad Deal * Round 2: Couch Vacuum, Rear Lighting, Too Close Rope Jump * Round 3: Snow Fun, Bad Door, Nipple Run * Round 4: Pocket Balls
Dusty is caught with his pants down and Larry's corpse in his grave. Ricky awakens to find Marny missing and ventures out into the world. The trial begins closing arguements, with Big City showing how various objects could be the missing murder weapon, resulting in the Judge getting his gavel back, and wooing the crowd with promises of vengeance. Ricky finds Marny, who accidentally reveals herself to be Ricky's mom and that Larry, who was a US draft dodger, had pressured her into getting him aborted, but he had survived and was raised by Dr. Porterhouse until he was old enough to live at an orphanage.
Gibbs and the team investigate the shooting of a Marine and uncovers more to his life than anyone would have ever imagined.
Neal and Alex attempt to recover a music box from the Italian Consulate. Peter and Diana try to take down Fowler
The team investigates the axe murder of an office receptionist who was not well liked by her colleagues...
A young woman is found murdered in a hotel and the evidence leads to a medical student.
Cate and Ryan are forced to put on a happy face as the hosts of a wedding expo, but the unfortunate situation becomes even more unfortunate after Baze and Math show up at the event. After watching Lux mope around the house for days, Baze solicits help from Jones in an effort to cheer her up.
A metal-headed member of the Phantom Lord guild wrecks the Fairy Tail headquarters, but Makarov turns the other cheek. It’s another story when someone attacks his own wizard children—he takes the whole guild to war!
The clock races into the middle of the night when the threat of a devastating nuclear attack accelerates as Jack tracks an informed terror suspect who has an explosive strategy. Back at CTU, a key player grapples with being demoted, and the day takes an unexpected stressful turn when pesky parole officer Bill Prady enters the picture.