Mark continues his interrogation of Hellinger in a desperate attempt to find out when the next blackout will occur. Demetri must choose between helping Janis and Simon break into NLAP to stop the blackout from occurring, or turning the fugitive Simon in to the FBI. Elsewhere, Lloyd finds the common denominator that can help him solve the complex equation he was working on in his flashforward.
Maya and her unborn baby are fighting for their lives on the operating table, and Addison, Amelia and Fife try everything humanly possible to save them. Meanwhile, Sam operates on an incoming crash victim and later makes a grim discovery; Cooper makes an ill-timed but valiant effort with Charlotte, and the staff’s world gets rocked by an unexpected death.
Reef, Broseph and Johnny list the hotel as a "clothing optional" resort with unexpected results. The girls decide to have an all-girls party in one of the suites, but Lo starts to believe that their night will be ruined when her mom joins the party. Meanwhile, Johnny becomes traumatized after seeing two male hotel guests doing naked yoga and Reef and Broseph try to snap him out of it.
An elderly patient admitted into the E.R. for a heart condition sees a familiar face, a long lost love who happens to be in the E.R. as well for a fractured arm, and the staff find themselves caught up in their love story. Meanwhile, Karev treats a troubled teenage patient (guest star Demi Lovato) whose parents brought her in for schizophrenia, and Meredith can't help but tell Cristina about her suspicions of Owen -- which inevitably messes with Cristina's head.
Leslie is disappointed when her new park plans are put on hold by a visit from two state auditors. April has plans for Andy at her birthday party, and Ann tries to piece together a romantic mystery.
Founder's Day has finally arrived, and everyone is busy with last-minute preparations for floats and fireworks. Stefan is uncomfortable with Damon's new attitude toward Elena, but Elena is more concerned about repairing her relationship with Jeremy. Jeremy is worried about Anna, but not sure he's on board with her latest plan for the future. While Caroline is enjoying her day as Queen of the celebration, she also tries to help Matt and Tyler get their friendship back on track. Finally, although Damon and Alaric do their best to stop him, Johnathan Gilbert sets a plan in motion that brings Founder's Day to an end amid chaos, destruction and death.
A series of shocking surprises await the crew when they discover a secret community living on a tropical island. Robert risks his life to save Bomber during a gunfight with drug runners, and Mike investigates claims of an illicit romance between two crew members.
On the eve of an important final exam in Spanish, everyone's grades are jeopardized when it is discovered that Señor Chang has a damaging secret.
Romantic sparks begin to fly when Patrick Jane and supposed psychic Kristina Frye cross paths again during the CBI investigation into the murder of a charismatic head of a non-profit organization that fights human trafficking.
When Walter discovers that Peter has traveled to the alternate universe, he and Olivia gather three cortexiphan children with the ability to transition safely between the two Earths.
The final six get the chance to earn time with their loved ones in a fiercely fought reward challenge. Desperate for options, the remaining heroes make an unexpected ally, hoping to turn the game around.
The showdown between good and evil is at hand. With the Apocalypse looming, Sam and Dean realize they are out of options and make heart-breaking decisions that will change their lives forever. A beloved character faces death.
Michael is surprisingly cheerful after learning some bad news about Donna. The new parents, Pam and Jim, have trouble staying awake in the office. Meanwhile, Angela takes matters into her own hands when Dwight refuses to honor their contract.
Michael is surprisingly cheerful after learning some bad news about Donna. The new parents, Pam and Jim, have trouble staying awake in the office. Meanwhile, Angela takes matters into her own hands when Dwight refuses to honor their contract.
Garcia plays a crucial role in a case when she travels to Alaska with the BAU team to investigate the murders of several members of a small town.
Frankie points out to Mike that his social ineptness has been passed on to Brick, leading Mike to decide that both he and Brick need to be more social, and the Heck family BBQ is the perfect time to try. Meanwhile, Axl volunteers to clean the family pool in an attempt to get girls to stop by and swim and Sue tries to raise money for a local parish because her new friend, Reverend TimTom might be leaving in order to keep costs down
Jay could not be more excited to do nothing but indulge and relax in this tropical paradise, but then an unexpected reality check dampens his plans. Meanwhile, Phil is determined to make this trip romantic for Claire, Mitchell and Cameron have opposing views on whether to sightsee or not to sightsee, and the kids get into a little bit of mischief when left to their own devices.
Monique and Thierry need help to sell their multi level 5 bedroom, 3 bathroom family home in Castle Hill. The property was first put up for sale more than 2 years ago with an asking price of $800,000.
Billy hunts for a nutria in his mother's neighbor's yard; and Billy and Ricky tackle a cabin full of poisonous brown recluse spiders.
An ominous fearsome hawk soars over Haplin's unsuspecting residents as the Thaw Fest celebration is about to start. Tommy must walk a precarious line when it comes to Friddle's murder, as a state investigator moves in to assist him. Andrew Haplin, still upset over girlfriend Georgia's assault, exacts revenge on who he believes to be the perpetrator -- pays for the consequences. Meanwhile Henley is a victim of a bizarre car accident, but a handsome stranger not only comes to her rescue, but lures her into a surprising, sensual relationship. And when Thaw Fest finally arrives, it comes with chilling and tragic consequences.