Sandy reluctantly serves as host/auctioneer at yet another OC benefit; Trey lies to Ryan to prove that he can be self-dependent; Carter reinvigorates Seth and Zach's comic book dream, much to the annoyance of Summer. Marissa moves in with the Cohens.
When there's a death at the morgue during Tru's birthday party, and the victim's identity is obscured by darkness, Tru grows convinced that the victim is one of her friends, while Davis concludes it's Carrie who will die.
May continues to take Harley's advice as she advances in the tournament. Drew, however, has his suspicions about Harley and continues to monitor him. Meanwhile, Ash and Max join forces with Officer Jenny to help a Coordinator, Anthony, whose ribbons and contest pass have been stolen.
May faces Harley, her dreadful rival, who aims to take revenge on her. However, May has collected a lot of experience from his previous battles, and uses her tactics to counter Harley. As she wins this battle, she ends up facing her other rival, Drew, in the quarterfinals. Much to her surprise, he sends out a Pokémon he trained just for the Grand Festival.
At the Democratic National Convention, Russell, Santos and Baker jockey for the 2162 votes that will give one of them the nomination for President, and the opportunity to lose to the apparently unstoppable Vinick in November. Meanwhile, the President must make a decision before it's too late on whether to deploy a secret rescue mission to the space station, and the FBI is asked to determine who leaked the existence of the military shuttle to the press.
While eating at a new cafe with Deacon, Doug manages to agitate their waitress so much that she demands they fight once her shift ends. Meanwhile, Carrie asks Holly to go shopping with her, only so that she can use her van.
A group of superdogs from outerspace come to earth to catch a villainous cat who has been wreaking havoc all over the cosmos.
When secret government installations are being invaded by mysterious unseen forces, the spies are sent to investigate. It seems that bugs have been trained by someone as part of a plot to destroy the earth. The only survivors will be the insects and their half-human, half-insect king Max Exterminus (Exterminus has been injecting himself with cockroach DNA). Of course, every king needs a queen, so Max Exterminus kidnaps Alex. In a b-story, Alex starts dating a somber goth guy.
Jimmy and Christine strive to move out of Greg's guesthouse and into the newly-vacated place next door, but when Greg hits it off with an upper-class couple who are also prospective buyers, he hopes they become his new neighbors and not the Hughes.
Jack tends to a severely wounded Boone after Locke returns him to the caves. In the confusion, Locke slips away to deal with his guilt over the crisis. Meanwhile, Claire unexpectedly goes into labor while deep in the forest.
If the boys can lose just one baseball game, it gets them out of playing the boring sport for the entire summer.
Sydney and Vaughn risk their lives trying to find out the truth about Vaughn's father. Finally, we find out why Jack and Sloane seem to be conspiring together against Sydney and Vaughn.
When Carla and J.D. go out to let Carla have some fun, they get drunk and end up accidentally kissing. Dr. Cox gets the hammer dropped by Jordan, when Jack has to get stitches under Perry's watch. Elliot has trouble with a male patient, who has taken enhancement pills.
The gang are on the verge of completing a job but Albert's gone AWOL. When he finally appears it's all too late because 'the mark' has pulled out - but Albert has a new plan.
Veronica investigates who at school is doing everything possible to distract Sabrina from studying and wreck her grades in an obvious attempt to sabotage her chances at becoming valedictorian. Meanwhile, an unsavory, rival private investigator makes Keith a business offer. Later, Veronica pursues a risky lead that could discredit Abel Koontz's confession, as Logan stumbles onto her detailed files on everyone connected to Lilly's murder.
When Monica puts Vic on the trail of an escaped fugitive in Farmington, he must continue to prove his worth while playing it straight. Claudette gets suspicious of the D.A's motives when she and Dutch are assigned to investigate a major drug dealer who ends up being a minor offender. David seeks an illicit outlet for the troubling feelings caused by his rape. Vic decides to bring Shane closer as his fears about Shane's connection to Antwon Mitchell rise.
Michael doesn't want to upset the staff so he gets Dwight to pass on news about the company's reduced health provisions. Fed up with his nosiness, Jim and Pam pretend they are suffering from a variety of conditions including Ebola, Mad Cow Disease, spontaneous dentohydroplosion, hotdog fingers, nano-robot infection...
CTU raids Marwan's hideout, but he manages to slip through their fingers. Luckily, Jack locates a lead that may help him identify Marwan's next target. Tony becomes suspicious of Michelle's personal life, while Audrey reunites with Paul and learns the extent of his injuries. Anderson closes in on his quarry, as President Keeler searches for words that will comfort the American public.
The light heavyweight semi-finals are up. Stephan Bonnar fights his close friend and training partner Mike Swick in the first bout. Forrest Griffin finds out if his cut has healed enough to fight Sam Hoger or give up his chance for the contract to alternate Bobby Southworth.