Brennan and Booth investigate the body parts of a woman found near L.A. International Airport. Their investigation is slowed due to extensive cosmetic surgery the victim had done.
Challenged from fan mailbags to retest the "Archimedes Death Ray," Adam and Jamie accept. In turn, fans and a M.I.T. team were invited to perform this challenge.
As the students meet with the school counselor to plan for the future, Nathan and Haley realize they want to attend different colleges across the country from one another and Brooke discovers Rachel's reasons for submitting her designs to Rogue Vogue. Meanwhile, Ellie and Peyton bond as they finish the benefit album.
After interviewing a couple on death row for serial murders, Gideon suspects that the woman is actually innocent. But since she's set to be executed in two days, it's a race against time to prove it.
When Charlie's vividly surreal dreams lead him to believe Claire's baby, Aaron, is in danger, Locke suspects Charlie may be using again. Meanwhile, Sawyer encourages Hurley to act on his attraction to Libby.
When George finds out that Max is skipping school, he tries to be a role model by going to college, but no one takes him seriously.
The evil Jimmy clone is back, and he's reconfigured the cloning device to make an evil clone of the Earth with an alarming side effect – the real Earth is starting to disappear.
J.D., Turk, Elliot and Carla are interrogated about the mysterious death of a patient. Dr. Kelso learns, that J.D. and Turk were away tracking down a patient, Elliot was traumatized over finding out that her make-out buddy was married and Carla was busy recruiting hospital personnel for a group lottery purchase.
In a "Wizard of Oz" homage, J.D. is trying to go home, Turk searches for a heart donor and Carla worries, that she doesn't have the courage to become a parent. Meanwhile, Elliot doesn't believe, that she has the brains to lead a question and answer session. Also, the Janitor is painting color coded lines throughout the hospital for easier navigation.
A new TV show turns everyone in Retroville into mindless and exceedingly cheerful zombies.
Alan and Denise take on the case of a young girl whose father killed her mother after finding the mother's whereabouts through her HMO's website. Catherine Piper comes back into Alan's life - by robbing convenience stores. Beverly Bridge, Denny's fiancée, flexes her muscle around the firm -- meanwhile, Brad attempts to manage the situation for Shirley and Paul. Daniel goes in for chemotherapy, and attempts to shut out Denise.
When Carol discovers her best friend Lillian had an affair with her husband back in the seventies, she takes revenge by reporting her to the DSS for benefit fraud. Frank Gallagher, who has been posing as Lillian's dead husband and claiming his benefits, comes under suspicion.
Mac and Templeton head out west to pay tribute to the dedication of former President Bridges' Presidential Library. While there Air Force One is held hostage by a guy who wants to speak with Mac. Meanwhile Horace and Rebecca have some friends for a party.
Ruby and Gracie want to get their ears pierced but Cheryl believes that this will lead to the girls growing up too quickly and convinces Jim. Jim and Cheryl renew their wedding vows and Jim walks down the aisle with an earring.
To impress Betty Quinlan, Jimmy performs a magic show using a cheap magic kit that's full of his own technological upgrades.
The Strike Team tries to develop a strategy to deflect the Internal Affairs investigation as Vic finally comes face to face with Kavanaugh. Meanwhile, Tina goes undercover to help take down a sex-trafficking ring; and friction between Claudette and Dutch deepens when she reopens one of their past cases.
The NCIS team investigate the murder of two Marine wives, and must find the murderers before they attack their next target, another woman.
Jack returns to CTU and has an emotional reunion with Audrey, while Curtis tracks the Russians and the stolen nerve gas. Walt sends in a hit man to silence Jack. Chloe discovers that Spencer has his own agenda at CTU. Walt convinces Logan to have Martha institutionalized when she tells them of the attack on her.