Kovac and Gates find themselves with a moral dilemma when a woman comes into the ER with acute liver failure; Neela finds herself questioning what is right when Manish decides to give up a kidney to a complete stranger. Meanwhile, Ray fights to get to the bottom of a cheerleaders accidental fall; Abby gets a prediction for her future; and Alex's troubles continue to intrude on Sam's work life.
As shocked as she is to be called the c-word by Lutz, Liz is more horrified to realize he may be right. Meanwhile, Jack brings Tracy to a charity golf event to get closer to the chairman, however his plan backfires when Tracy acts too much like his uncensored self.
A Croatian Doctor comes to Sacred Heart, only to find out that he has to redo his Internship there. J.D. shows symptoms of 'Vasovagal Syncope', a condition that causes fainting and blackouts. Turk and Elliot argue over whose turn it is to take care of him, whilst Carla tries out her new excuse "I have a baby" and the Janitor takes a vacation.
In the immediate aftermath of a violent earthquake that rocks Newport, everyone struggles to stay together and keep their spirits up. Sandy and Kristen are stranded at the local shopping center where Kristen has an accident. Across town, Julie and Kaitlin are stranded in a demolished ice cream parlor on the pier with a pitiful worker of the place. Meanwhile, Ryan is seriously wounded with a piece of glass in his side, but keeps the news from Taylor to avoid panicking her. Seth soon learns of Ryan's condition and attempts to drive him to safety while Summer and Taylor search the ruins of the Roberts' house for Summer's missing rabbit, leading to Taylor having a confrontation with her mother.
Earl wants to use his birthday to look back on all the good he's done over the past year, but at his party, everyone seems to want to talk about his past misdeeds instead.
In the shocking third season finale, unexpected visitors threaten to jeopardize the status of the competition. Meanwhile, as the final two teams prepare for the final showdown, they reveal sides of each other that they've never shown before, and one teammate makes a decision that turns the competition upside down and leaves everyone in shock.
After Desmond rescues Claire from drowning, Charlie gets Hurley to help him find out why Desmond has seemed able to predict the future. Desmond recalls exactly what took place in the moments after he turns the key, where he experienced a strange vision of his life prior to his Army days.
Haley confronts Brooke regarding the stolen calculus test. Lucas and Peyton consider taking their relationship to the next level as Peyton and Brooke grow closer. In Deb's absence, Nathan throws a senior party at the Scott House where a sex tape from Nathan's past surfaces.
The BAU becomes involved to prevent a possible race riot when the murder of four young black women in a mostly white New York suburb appear to be hate crimes.
Booth and Brennan investigate the death of Terence Bancroft, one of the Jeffersonian's major donors, found dead at his home. Hodgins' relationship with the wife of the deceased years earlier, compromises the case.
Waking up from a dream that allows a mysterious woman calling herself Sandra to take possession of her body, Allison is freaked out and sneaks out of the house. Joe seeks Scanlon's help when her new identity refuses to leave her body.
Since her mother and lawyer have turned on her, at her trial Benny must rely on George's testimony.
Mac may have a difficult time solving the murder of a music mogul the sister cleverly uses a lie detector test to cover up the crime. Stella wonders if she has HIV due to an accident.
Due to racial comments from Coach Mac, the black players on the team refuse to play unless he is sacked.Julie is sucked deeper into the vortex as her friendship with Tyra develops. Matt tries to win Julie back.
Denny is arrested for illegally exporting human fat to be used as a fuel source; Clarence tries his first case--a homicide--with the help of Bethany and Paul; and a member of the firm leaves.
When a dead body of a sailor is found in an abandoned part of the town, all the evidence seem to point that the person died from unintentional drug overdose, but when the team uncovers more evidence, it turns out to be a murder. Meanwhile, Tony bonds with a local detective while working on the case.
Benson and Stabler attempt to question a confused young woman about an attack on her parents that left her brother traumatized and Stabler puts his career on the line when he goes too far.
Henry accidentally paints Peter blue, is sent to his room, and plots revenge.
A rap artist is shot after a radio interview, and the only witness is an undercover cop whose task force specializes in rap-world crimes.
Carl wants his family back together and that means getting rid of Norma - for good. Unfortunately, things don't go to plan when Norma proves to be a very tough adversary. Frank agrees to work on Shane's ice cream van - the Maguires use it as a cover for dealing and Frank's got E's on tap! However, there's trouble brewing.