The fallout on the Hill from Carrick's switch to the Republican party exiles Josh deep into a White House doghouse, so C.J. gives Donna some tips on how she can support him; Jed gets a harsh reality check from C.J. when he lingers too long in a small Oklahoma town devastated by a deadly tornado; in Jed's absence, Leo juggles an impending war between Albania and Greece, a visit from the German chancellor, a tussle over tax cuts, and an over-reaching Secretary of Defense; Josh and Toby are less than thrilled when Leo brings Angela on board to assume some of Josh's responsibilities.
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.
When a man is found murdered shortly after depositing almost $400,000 in his savings account, the investigation into the source of funds reveals that the victim ran an identity theft scam which left an elderly man homeless and impoverished.
Emma decides it's time to move on in matters of the heart when she realizes she has feelings for new kid Chris. With some encouragement from Manny, Emma hooks up with Chris at a rave-- even though he has a girlfriend. But as Emma and Chris get closer, she realizes she can't be with him if he's still with someone else. Meanwhile Manny takes her own advice when she discovers that Craig's at the rave too – without Ashley. When Emma finds out how far Manny's willing to go to get what she wants, it's the final straw in their friendship. Spinner and Jimmy are both in trouble with their math grades so they ask Marco to tutor them during a Friday-night study session. Spinner's discomfort with Marco's homosexuality soon has him misinterpreting all of Marco's behaviour and he ends up convinced that Marco has a crush on him.
A severed head is shipped to Dr. Robbins from Jackpot, Nevada. Grissom goes to Jackpot to find the rest of the body and gets very little cooperation from the locals. Catherine gets an unexpected gift from her father.
When Aku catches a cold and sneezes on Jack, Jack becomes infected with Aku’s badness which begins to take over his entire body.
While losing heart for his own career as a hero, Angel befriends a disheartened, elderly hero, and battles an Aztec warrior who literally eats the hearts of heroes.
Kelso decides to help Jackie and Hyde get back together with hilarious results. And Eric realises that the sadder Donna becomes, the more she wants sex. Kitty decides to help Red with his new doctor-imposed diet.
The day-to-day lives of three orphaned children who are adopted by aliens that have trouble adjusting to the local culture.
Clark discovers that Jor-El was on Earth forty years ago. Lana's great uncle, who was convicted of murdering his wife forty years ago, shows her a picture of the man he believes really killed her aunt, and she is shocked to discover the drifter looks just like Clark. Sure that the man is Jor-El, Clark's investigation leads him to a kryptonian medallion that allows him to see bits of the past - and the life that Jor-El started for him long before he arrived on Earth.
The Kyles are willing to support Michael's inconsolable employee, Larry, who can't get over losing his 103-year-old grandmother. But Larry goes overboard when, at the funeral, he asks little Kady to kiss his ""Grammy"" goodbye and for Jay to sing his beloved grandmother's favorite R&B song.
Back to school for the O.C. kids. No one really wants to be there, except for the gossips. Ryan doesn't feel like he fits in at his new school, and Luke doesn't make the situation any better. Sandy accepts a case at his new job, a case that will test his relationship with Kirsten and her father. Anna and Seth hatch a plan. Marissa chooses her man.
A spatial distortion leaves Archer unable to form any new long-term memories. Years in the future, he wakes up one morning and is stunned to learn the outcome of the human-Xindi conflict.
Due to a rise in deaths due to senior citizens behind the wheel, the State of Colorado has revoked all the driver licenses of senior citizens. Soon after, the AARP shows up to fight for the rights of their comrades.
Jack and Chase quarrel over Chase's relationship with Kim. Meanwhile, they learn of a lead to the possible whereabouts of the virus after raiding a crack-house. Linda breaks up with Kyle when she learns that he is planning to make a drug delivery. Wayne approaches Palmer with information about his girlfriend that could damage his chances for re-election, while a CTU employee is not what he seems.
Rory and Lorelai participate in a Stars Hollow event in which the townspeople dress up and present tableaux imitating famous paintings.
An NCIS agent who used to work under Gibbs asks for the team's help investigating a case where sailors on an aircraft carrier are dying of a drug overdose, but have no history of any kind of drug abuse.
On the night of Dan and Deb's annual basketball appreciation party stirs up old wounds and new feelings as Karen makes a new friend, Keith faces off with his younger brother once again and Lucas finally makes his move on Peyton. Also, Haley and Nathan grow closer until Brooke spreads a vicious rumor that leaves Haley devastated.
Nick runs into a former client while helping in a cleanup project for his Community Service. Nick helps the former client out by calling a community College after learning he can't read. Burton takes the case of a mother who puts her baby up for adoption because she can't afford to keep her son. Burton wants to adopt Shannon but her dad doesn't want the adoption to happen.