J.D.'s brother Dan returns for a surprise visit and Elliot learns that J.D. has been telling Dan that she still likes him. A patient with weight-related problems needs an MRI, but he's too big for the machine. Carla and Turk freak out when they begin to discuss baby names. Meanwhile, Dr. Kelso assigns Dr. Cox to assist Ted with malpractice claim paperwork after Dr. Cox insults Dr. Kelso's son.
Veronica begins having dreams involving the dead students from the bus crash, who drop clues along the way. Meanwhile, Logan and Wallace become unlikely lab partners in Mr. Wu's class, and Keith helps Clemmons expose a doctor's scam.
Unhappy because Rory hasn't really forgiven him, Logan takes off with his friends. Rory runs into Luke and April at a bookstore in Philadelphia.
When a six-year-old boy is brought in with the same symptoms as another patient who died years ago under House's care, House believes the cases are identical and he can predict the course of the boy's illness. Meanwhile, the clinic hosts a poker night to benefit the oncology department.
The Unit must try to get a listening device to an agent inside the Iranian embassy where U.S., Iranian, and Russian diplomats are meeting. Many are speculating that the Russians are attempting to sell the Iranians material to make a nuclear weapon. Meanwhile at the base, Tom tries to end his affair with Tiffy but she won't listen to him and Kim notices Tiffy at a motel room and does not know what she should do.
Jack and Wayne locate a recording that definitively proves Logan's involvement in the terrorist conspiracy, but Henderson corners them in the hopes of destroying the incriminating tape. Logan tries to cover his tracks by issuing a warrant for Jack's arrest. Audrey contacts her father for help, while Chloe gives her cover while helping Jack evade CTU.
Charlie is surprised to find out that Kandi has been living with them for the last three weeks. Alan is having a tough time helping Kandi earn a living. Charlie has lost his sense because of the dry-spell he is going through.
Robin, who is very lonely, asks Ted to come over to her apartment after 2 A.M., but he isn't sure if he wants to go as he has a phone call on the way over with his friends, and with Victoria on his mind
Lincoln is worried about Michael's sanity while Michael has trouble remembering some parts of the prison schematics. Sucre has to conceal the hole in the guard's break room. Warden Pope transfers Michael to solitary after he declines his request.
Concerned about the uniformity of Ritchie's schoolmates, Christine takes it upon herself to help diversify the student body at his private school.
Doug's lie to get Carrie to let him ride a rollercoaster at an amusement park blows up in his face. Meanwhile, Arthur lets Deacon shuttle him around in a wheelchair so they can jump to the front of the park's lines and Danny and Spence search for girls to pick up.
Phil Hellmuth isn't going to be pushed around and Daniel Negreanu isn't leaving until he's even. "The Poker Brat" and "Kid Poker" join Antonio Esfandiari, Jennifer Harman, Todd Brunson, Johnny Chan, Barry Greenstein, and Jerry Buss for the High Stakes Poker Season 1 finale.
The remaining candidates launch a new pizza sandwich for 7-Eleven.
The eleven remaining candidates are assigned to create activity areas to benefit a children's charity in a renovation-themed task.
The CSI team must try to find out who is trying to kill a young couple who are released from prison. The couple was made out to be “media darlings” and soon find that not everyone though of them as darlings. Calleigh must work with her ex-boyfriend to help solve the case.
Kris must decide between staying at Raintree or traveling to Europe to further her career; Baby Wildfire must be sold.
The Camdens receive official invitations to Simon and Rose's wedding, and to their dismay, they learn that the date conflicts with Matt and Sarah's graduation from medical school. As this news creates a tailspin with the family, Rose stubbornly refuses to change the wedding date. Eric and Kevin think they have a solution to the problem, but when Annie disapproves of their methods, she looks for help from an entirely different source. Meanwhile, Ruthie wants to enroll in a summer program that takes place in Scotland.
Nicki suspects that Bill is having an affair and is considering bringing a fourth wife to the family. Margene, feeling alone in the big house, befriends the new neighbor, Pam Martin. Bill goes after Roman and tries to expose him, but polygamy accusations also fly in the Home Plus. Meanwhile, Ben is trying to cope with his arousing sexuality and being a teenager.
Meg becomes an intern for Mayor West. Brian, who is sure that the mayor is corrupt, tries to out him. Brian and Stewie, while undercover, discover that Meg is more than just an intern. Meanwhile, Peter and Lois go back to their folk singing days at a local talent show. When they begin using drugs, Chris stages an intervention.