With Timmy participating in the Contest, May hopes to win her second ribbon. However, with May's Skitty's Blizzard not working properly, May starts worrying. Timmy, however, gets visited by his own mother, who watches her son's successes.
Three little CSIs (Grissom, Sara, and Nick)respond to an electrocution at a casino. The casino is hosting Japanese antiquities. The electroctution is just a ruse to steal the central piece of the exhibit. Catherine and Warrick deal with a vampire murder.
The girls are on a field trip to practice the skills to ""listen to nature."" In the meanwhile, Nutt tells the witches that a few specialists are escorting the troll to Magix. Fearing that a mind sorceror might get a hold of the troll and discover their plan, they break the troll out. The specialists and fairies team up to find the troll, but the witches beat them to it and make the troll disappear forever. With no sign of the troll, the specialists head back to Red Fountain and the girls return to their class.
During a rare occasion when Michael and Jay have the house to themselves, they find themselves reminiscing about the fun times they've had with their kids and various friends. Some of these memorable moments include Jay's obsession with her weight and Michael's visit to a proctologist.
Dave Chappelle examines the age-old myth about white people's inability to dance. Dave tries out a new sleep aid. The Three Daves: A retrospective look at Dave at age 18, 24 and 30.
Clark discovers that his schoolmate Jordan can foresee the future, but is horrified when Jordan tells him he "sees" Lana dying in a fire in the next few days. Meanwhile, suspicious of his behavior, Chloe investigates Adam's background and discovers some disturbing news.
Archer finds himself face-to-face with Degra, the designer of the Xindi superweapon, and tries to get him to reveal its location.
Lacey offers free Pilates classes to the people of Dog River but the town is strangely hostile to the idea. Then Brent and Hank's fashion worlds collide; Dog River's not big enough for two sharp-dressed men, so Hank comes up with a way of making sure they never steal each other's fashion thunder again. Meanwhile, Brent's dad Oscar takes steps to avoid being buried in a cheap looking coffin
In the final episode of the 3rd series Jamie's love life picks up when he falls for a beautiful woman who falls for him too but when obstacles fall in their place like the fact she has a daughter and an ex-prisoner ex-boyfriend will things turn out for the best for the Jamie. The gang also head back to the Trisha show for their final weigh in while Jamie provides the food, Kelly gives birth to a baby boy.
Toby gets Jed's support to seize a controversial window of opportunity to save Social Security, but is hampered by Jed's mandate to keep the operation under wraps; desperate to feed the press corps beast on a glacially slow news day, C.J. meets with an attache to discuss cabbage imports, and has a little fun with a particularly dense reporter; Josh's brainstorm to help Will burnish Bob Russell's presentation problems and a persistent reporter endanger Toby's attempts to broker a deal on the Hill; Rina finds a friend in Donna, and Josh isn't too happy about it; Toby is saved from having to fall on his sword when Josh and Jed devise a plan to rescue his deal from certain disaster.
The death of a woman who fell from a hotel balcony leads to a case involving a lesbian couple and a state law banning gay adoption
When Lindsey returns and tries to defeat Angel using a secret "failsafe" entity created by the Powers That Be, Cordelia emerges from her coma to help save Angel.
Kelso freaks out when Roy suggests that he may be this year's police academy stooge. The only way to know for sure is to check his file, so Kelso decides to break into the police academy with Hyde and Eric. Meanwhile, Fez is expecting to take a final exam at the INS before finally becoming a U.S. citizen. Donna, Kitty, Jackie, and Red all tutor Fez on their versions of American history.
Things finally come to an explosive head as Jack, Ramon, Nina and Chase all close in on the virus. But the deal takes an unexpected turn when Amador pulls a fast switch. Kim becomes suspicious of Chloe when her story about her baby doesn't check out. Sherry finds a witness who can damage Milliken, but her advantage is short-lived.
Luke is wary when his sister comes to town. Lorelai hesitates to tell her parents about her new beau. Paris's affair gets serious.
After Peyton receives the devastating news that her father is lost at sea, she and Lucas take an overnight trip to Hilton Head to identify a body that has washed ashore. Overcome with emotion, Peyton kisses Lucas. Meanwhile, an unexpected visit from Dan's parents leaves the Scott family in turmoil as numerous family secrets are revealed at Dan's birthday dinner.
The NCIS team are called in when a severed leg bearing a Marine tattoo is found in a trash bin, leading them to a small town where a murder scheme is afoot.
J.D. tries to break-up with Danni, but she beats him to it when she realizes that she will always be second place to Elliot in his heart. Dr. Cox suddenly becomes a nice guy and Elliot changes back to her old self after Dr. Kelso criticizes her new look.