Bailey returns to prove Krypto's secret identity as Superdog. Only this time, Andrea has to help Kevin keep the secret when he finds out about Supercat.
Boogie Gus invents a gun ray that can not only make people look like from the '80s but also makes them younger! In the b-story, Jerry is having a date with his friend from the band. Villain: Boogie Gus (L.A.M.O.S.).
Akmal Saleh, Shaun Micallef, Alan Brough and Julia Zemiro guest star.
After finding an exhausted Michael in the forest, Jack and Kate bring him back to the main camp. When he finally wakes up, Michael has some new details about "The Others." Also, a lovestruck Hurley plans a date for Libby.
The BAU works with the CIA to identify a mole within that organization, whose leaks are putting operatives at risk.
Foreman continues to experience the same progression of symptoms as the police officer. When he realizes he may be facing imminent death, he calls his father who comes to his son's side. As it comes down to a race against time, House believes the solution to the illness is in the police officer's apartment.
Nathan worries about Haley as they prepare to renew their vows. Peyton and Brooke's friendship becomes strained and Deb confesses to Dan about the fire.
Two women both claim to be the wife of a murder victim surprise Mac and Stella at the circumstances of their relationships. Both women have been in a trinogamous marriage with the victim. Meanwhile, Danny and Lindsay investigate the murder of a young woman who is found off a dock tangled up in kelp while she is dressed as a mermaid.
Will Truman and Grace Adler are best friends living in New York, and when Grace's engagement falls apart, she moves in with Will. Together, along with their friends, they go through the trials of dating, sex, relationships and their careers, butting heads at times but ultimately supporting one another while exchanging plenty of witty banter along the way.
After undercover cop Dana Baker is murdered, Fontana and Green learn that the man who killed her had discovered her identity after seeing a photograph of her.
Stabler teams up with an new partner to investigate a sexual attack on Jessica DeLay, a sixteen-year-old girl who worked tobacco stings for the Department of Health and face an overweight young brother and sister who claim it was an act of vengeance for Jessica and her friend, Tommy Strahan, beating up their older brother Rudi for being fat. Stabler and Blaine arrest DeLay and Strahan, but when the two are released due to lack of admissable evidence, Rudi Bixton takes justice into his own hands.
Name partner Edwin Poole returns from a mental institution to Crane, Poole and Schmidt, ready to jump back in, but Shirley has reservations when he decides to sue a candy company. An A.D.A. with a grudge against Alan brings charges, accusing him of advising his client to flee when a guilty verdict was inevitable. Meanwhile, Brad and Denise decide where to take their relationship.
Mammoth Mutt, Tail Terrier, and Paw Pooch compete for temporary leader when Brainy gets put to sleep by sleeping gas.
Dr. Cox starts drinking after his decisions result in the death of three of his patients. The staff tries to cover for him at the hospital, while everyone tries to convince him how inspiring he is for them. Turk starts his new rotation with orthopedic surgery, but isn't so fond of his attending doctor's touchy-feely methods. Thus, J.D. and the Janitor attempt to help Turk find ways to bond with his new supervisor.
When a proud and happy Ryan announces that Dana is pregnant, Jim warns him of Dana's upcoming hormone swings, and ends up dreaming that he is pregnant.
Moz is a drug dealer and has very strange clientele who come and go from his flat.
Veronica takes the stand in Aaron Echolls's murder trial, and is distracted during final exams while waiting for the verdict. Meanwhile, Keith takes new evidence about the mayor to Lamb, and Weevil asks Mac and Cassidy for help to pass algebra.
Jonas and his team must track down surface-to-air missles before they are smuggled out of Brazil after a deal with a drug lord falls through. Jonas gets help from a local boy who informs the team where the SAMs have been taken to be shipped. Meanwhile back on the base, Kim ends up causing even more trouble when she insists that the “Family Readiness Group” deals with what she deems more serious issues. Also, Williams tries to find a way to tell the woman he wants to marry that he is actually a Unit member and not a clerk on the base like she believes.