Grissom, Sara, and Nick investigate a wildfire that killed one man and badly burned a woman. Catherine, Nick, and Warrick get the case of a family of three murdered in their home.
This week's task is to create a new pizza for Dominos, and sell the most of it.
When Doug wins a trip to St. Louis to see the Final Four, he is reluctant to bring Arthur. However, Carrie tells him that if he does this, he never has to take him to the senior center or see his naked back again. However, the plane gets delayed & Doug & Arthur go to Pittsburgh. Then, things go downhill with Doug missing the Final Four by being stuck in Dayton.
A bitter, formerly world-renowned dentist is bent on revenge against those who destroyed his practice. Armed with bizarre dental equipment, he turns his victims into dental disasters – including the spies. In a B-story, Mandy goes broke.
Locke thinks he's being sent a sign on how to get the hatch open, and he and Boone venture inland. Jack is reluctant to offer assistance when Sawyer begins to experience excruciating headaches and needs glasses.
Did a bullet shot through a Civil War soldier's groin really impregnate a woman nearby? Is it dangerous to use the telephone or shower during a thunderstorm?
Kenny is the only one of his friends to get the newest, coolest portable gaming device and Cartman can’t deal with it. Will they remain best friends forever?
Faced with a Democratic party in disarray in the face of the strongest Republican challenger they have ever had, Bartlet asks Leo to take charge of the potentially chaotic Democratic National Convention, while Santos considers a party-unifying vice-presidential offer from front-runner Russell. Meanwhile, the International Space Station is leaking oxygen and a rescue of the three astronauts will be difficult, and Bartlet catches Charlie leaving Zoey's bedroom after a nighttime visit.
Police and prosecutors go after a fanatical cult leader who encourages sex with children among her followers.
When Christine finds out Jimmy has been tuning her out over the phone, she joins forces with Kim, and they concoct a scheme to get even.
When Chris returns, Meg finds out that he has been drafted for the war and is going to Berkeley to avoid it. Meg must decide between being with Chris or being with her family but her decision is made even harder when Jack threatens to disown her if she leaves. Roxanne begins to cut hair at the Vinyl Crocodile much to Luke's dismay. JJ begins to feel overwhelmed at work when he volunteers to help on a project. Nathan is given a second chance by Mr. Pryor when he allows Nathan to do deliveries again. Helen decides to accompany a mother to pick up her son's coffin.
When a mission goes wrong, Sydney's is placed in danger and Marshall is the only one who can save her. Meanwhile, Dixon is exposed to a deadly pathogen released inside APO.
When Eric realizes he is the only loser with no future in the group, he goes looking for a job, only to find he isn't very good at many things. Kelso and Fez look for an apartment for the two to live together in, and Jackie arranges a dinner party to celebrate her high school graduation.
When Denise Eldridge finds her fifteen-year-old daughter Carrie in bed with twenty-one-year-old Justin, she immediately calls police to have Justin charged with statuatory rape. Benson intercedes on behalf of Carrie, calling a children's rights lawyer to assist her, but when Denise turns up dead, Carrie and Justin both end up on the suspect list. Benson tries to get some help from Simone Bryce, but Bryce is obligated to protect her client.
Dr. Kelso dons scrubs to prove a point to Dr. Cox, only to watch it backfire, when an obnoxious patient refuses to listen to him. J.D. and Turk party, while Carla struggles to find solace in Elliot.
The gang are back and despite his better judgement, Mickey gives Danny a chance to run his own scam. However, the object of the scam has a habit of sending con men to jail so the risks for the gang are high. And it doesn't make them feel any better to discover that Danny plans to convince the man, a savvy property developer, that there's a goldmine in the heart of London.
Jim is shocked to learn that his recently deceased friend will be buried with a rare baseball card he stole from Jim.
When an old flame of Angie's moves back to town to become a news anchor, George becomes jealous with her giddy excitement over him. But George comes to find out that Angie has not told him the whole story about this former boyfriend.
When Jay tells Michael that their love life will be even better if they are celibate for six months, Michael is willing to abide by her wishes, although reluctantly. Meanwhile, Franklin and Kady plant some seeds in the ground to symbolize their growing love for each other, but the seeds grow into an ingredient for a love potion that Jay uses to spice up her romantic dinner for Michael.
Following an emotional reunion with her mother, Veronica is hired to track down Neptune High's beloved mascot, Polly the Parrot, which was apparently kidnapped by a rival school on the eve of a big basketball game. Meanwhile, with her suspicions about the Kane family rekindled, Veronica attempts to gain access to her father's original interrogation tapes. Later, Veronica's relationship with Deputy Leo heats up, as does Meg's relationship with Duncan.