In the summer of 1985, a Delta 191 aircraft was diverted away from a thunderstorm, only to be struck by powerful winds and plummet to the ground. Flames engulfed the front of the plane and more than 130 people died in a tragic accident that would eventually expose, and eliminate, an invisible killer.
Runaway Bay is a runaway renovation project. Buyers take one look at this house and put it in the too hard basket.
A fantasy birthday celebration is the order of the day for the remaining aspiring chefs. The chefs cook for a sweet 16 party, but the mood in Hell's Kitchen is anything but sweet. One chef must face Ramsay's wrath when a diner sends back undercooked meat. And in a surprise twist, a new chef joins one of the teams at the episode's elimination ceremony.
When a pregnant woman's body is discovered in a burned-out brownstone, the investigation turns to a family of coffee importers.
Although reluctantly, Sebastian accepts a seven-figure retainer to defend a crooked casino owner who allegedly murdered the head of operations at his casino.
After hashing out their differences in Big Bear, one team returns to the mansion and announces to the other teams that they are a force to be reckoned with. Geeks become style gurus when they give head-to-toe makeovers to a group of nerdy girls for this week's challenge. The beauties roll up their sleeves and are tested on their plumbing skills.
While on an undercover mission, Ziva's life is put in grave danger when the serial killer she's been tracking becomes suspicious of her.
Georgina informs Serena that she can reveal a deep dark secret from Serena's past, but no one is prepared for what Georgina does next. Blair and Jenny's power struggle continues when each of them start spreading scandalous rumors about each other on Gossip Girl. Dan sees Jenny's new beau, Asher, cheating on her, but Jenny won't listen to him. Rufus goes to Lily for advice on how to handle Jenny's new behavior. Serena tries to confront Georgina, but she leaves before Serena has a chance. After this, Serena says that she and Georgina are not friends.
The rest of the gang fall for Sheldon's twin sister, and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.
Lucas investigates Dan's heart condition. Haley struggles with letting Dan into Jamie's life. Peyton also still struggles with her guilt over Lucas' breakup and Mouth finally gets the chance to be a sports anchor.
The crew of the Hammersley are joined by a federal agent and go in search of an illegal fishing boat. Whilst on board the Navy find evidence on the boat and find the fishing boat crew start to exhibit symptoms of bird flu. One crew member faces a gruesome operation, while the federal agent learns that blackmail can work both ways.
Barney gets a new wingman and Ted meets Stella's daughter.
House is convinced one of the actors on his favorite soap opera “Prescription Passion” has a serious medical condition after observing his symptoms on television. House decides to intervene and take matters into his own hands, but both the actor and House's own team dismiss House’s assessment and do not believe there is anything wrong with him.
A man is murdered when someone drops a piece of slate off a bridge. The team tracks the slate to one of their own and Alexx's son becomes a suspect. Then to make matters worse Alexx finds him in a warehouse holding a bloody knife over his friend who happened to be the other suspect.
Brennan's father Max Keenan is on trial for the alleged murder of FBI Deputy Director Kirby. Everyone on the team, except for Brennan, is called as a witness for the prosecution during the trial. Brennan on the other hand is the forensics advisor for the defense, and she must rely on both her dedication to her family and her skill as an anthropologist to help free her father.
Darcy and Emma try to help Snake go back to school. He accepts, but after the "welcome" he receives, he prefers to give up and stay home, which makes Spike consider a break between them. After Holly J. asks Toby to tutor her, she starts liking him.
Adventure in New Zealand does not come without consequences, especially when Scott and Justin meet up with their "larger than life" kiwi friend Ellis. Justin's competitive risk-taking side takes over, while Scott deals with his own fears.