The team travel to an oil rig to fight a protocanth, a prehistoric reanimated humanoid that endangers all humanity.
For Mother's Day weekend, Big Dee Dee and Dee Dee vacation at an exclusive spa. Not to be outdone, Phyllis and Mona do the same, and end up in the room next door. The weekend quickly goes from weird to worse when Dee Dee blurts out that she wishes her mom was more like Phyllis.
After dying to save a boy, delinquent tough guy Yusuke Urameshi is granted another chance at life by redeeming himself as a "Spirit Detective."
The collapse of Bobby's marriage is a prelude to a professional crisis. Also, the firm defends a wife on trial for slaying her abusive husband and represents a 10-year-old in a liability suit.
Shocking twists in the trial of an accused wife-killer rattle Jimmy and Rebecca. Bobby's news to the firm devastates Eugene and has an impact on Lindsay.
Carrie learns from Janet that Doug had a dog when he was 11, that they still have today, and Doug is 38! Janet admits to Carrie that the dog died, and they replaced it without Doug knowing.
After seeing a picture of an Old West bandit who resembles Prof. Oglevee, Nikki imagines herself the no-nonsense sheriff of a frontier town who falls for Oglevee's clumsy sidewinder.
With the secrets the car held for years out in the open, Jordan still has questions. Dr. Macy makes a hard decision regarding Jordan and Woody has a case to solve.
When the crew prepares for the launch of The Resolution of Hector, they soon discover that Rommie has had a change of mind and is now working against the crew. Knowing that this is not normal, Dylan sets out to reclaim the ship, and find out what is controlling his friend.
Ray and Debra wind up in a two-week stand-off over a suitcase.
Dr. Brown faces one of the toughest moral decisions of his career when a distraught pregnant teenager (guest star Kate Mara) and her father (guest star Kevin Tighe) come to him for guidance about terminating her pregnancy. Meanwhile, Ephram is humiliated in front of the entire school when his date for the Spring Formal ditches him at the dance to make-out with her boyfriend. Lastly, Amy and Colin (Mike Erwin) have a huge fight when she chooses to console Ephram against Colin's wishes.
Speedle and Delko are present when a trendy nightclub catches fire, apparently from a DJ's pyrotechnics display, killing sixteen people and injuring dozens of others. But the ensuing investigation reveals it may have been arson to cover up a murder. Meanwhile, Horatio probes the death of a prostitute whose body is found in the bathroom of a judge's home and evidence suggests that she was in the club during the fire.
When her apartment gets infested with mice Natalie decides to move in with Flex. Flex allows her to stay for a while but has second thoughts when Duane reminds him that he has had trouble in the past with commitment in relationships (Examples: Tonya (Mi Casa Es Mi Casa & Misery), Nicole (Thanksgiving It To Me, Baby)). Meanwhile at McKinley High Ginger discovers the locket that Arnaz gave Breanna at Christmas (Everybody loves Whom), and breaks up with him. Ginger then tells Josh but he doesen't belive her. Then he goes to Breanna and Arnaz himself and connects the two half heart lockets that forms a whole. Josh doesen't break up with Breanna, but instead forces her to choose between him and Arnaz. Meanwhile Flex is still having trouble adjusting to Natalie living with him, so much trouble that he has an anxiety attack. After Natalie brings him to the hospital she discovers the truth. The doctor advises them to work out their problems. When Flex and Natalie return home they try to do jus
Toni's family comes to town, and Toni worries that her mother will embarrass her in front of Todd's parents by voicing her objections to their Jewish background. Mrs. Childs becomes dejected about the bickering between Toni and her older sister, Sherri--whom Toni refuses to include in the bridal party--and falls off the wagon. Meanwhile, William worries that he will lose one of his few male friends when the man begins dating Maya.
Ricky defends himself, Julian and Bubbles in court on charges of operating an illegal gas station
Leonard, a cynical, genius chess player with no friends or job, makes Malcolm think he could grow into a similar adulthood. Determined to prevent this undesirable fate, Malcolm tries to help Leonard change his life by lining him up for a job interview with the obnoxious Craig. Meanwhile, Francis finds employ as a nude model and begins to delight in the exposure.
The detectives investigate a murder of a math student who worked in a poker club as a card-counter. Their case brings the detectives to a group of computer nerds, but later they discover a computer gambling system which has tougher suspects. The detectives discovers that even there own workstations are hit by the ringleader of the group, who had bigger plans for his horseracing and other scams.
Sydney begins to question Will's identity when he's arrested for espionage, under suspicion of being a double. Meanwhile Sark and Irina plot to recover the Rambaldi heart, and Sloane makes Jack a business proposal.
Sydney finally confronts her mother, who reveals her true motivation. Sloane, for his part, begins to execute his new grand plan and Will struggles to figure out who's behind his set-up.
When Grams comes to the manor for a Wiccan birthing ceremony, for Wyatt, the sisters find out that she has brought a memory from her past, a former lover who wants to kill the Charmed Ones and bring back the love they once shared. Meanwhile, Phoebe contemplates Jason's invitation, even though it will take her away from her family, and Paige casts a truth spell to figure out if Nate can accept her being a witch.