Charlie and the team track a couple who are spree killers, but their actions seem to defy profiling.

The team is in a race against time to rescue fellow agent Megan from the clutches of Crystal Hoyle.

When a painting is stolen from a museum and a person is killed. The owner claims that he thinks a woman who is a Holocaust survivor who claims that the painting belonged to her family and that it was taken by the Nazis. But the owner claims that his father got it from a man who was saved by his father. Eventually the painting's authenticity is questioned. Written by rcs0411@yahoo.com

The hit-and-run death of an interpreter may compromise a team member, and Charlie must deal with not being consulted for a paper.

Charlie and the team grapple with the concept of 'randomness' while trying to find a killer targeting drivers on the freeway.

Don and the team investigate a suspicious death at a horse track. When Charlie starts looking into the crime, he uncovers something that will send the investigation into an entirely different direction.

Blackouts all over Los Angeles leave the city in the dark. Don works with his team to figure out if the power outages are an accident or the work of terrorists.

The death of a minor league player leads to a math prodigy and stirs old feelings for Don.

Charlie's investigation of a company's toxic paving material is impeded by a new school administrator who wants him to focus primarily on his pure academic work instead.

The assassination of a California senator leads the team to questionable experimentation on prisoners, the CIA, and a man bent on revenge. Elsewhere, Larry makes an announcement that shakes Charlie.

Have baseball bat, will travel is the motto for a serial killer, who finds pedophiles in chat rooms and lures them to empty houses, then ambushes them, ties them to chairs, forces them to confess into a video camera and completes the beating deaths. Meanwhile, have space shuttle will travel is the motto of Larry, who is trying to get aboard the next shuttle launch -- and be gone for six months -- to perform scientific experiments. Astronaut Edwin Buzz Aldrin appears as himself near the end. Written by Peter Harris

A 14 year old girl is found barely living in the desert. She escaped from the custody of a self-announced prophet who forced her to become his 73rd wife. As the FBI finds out that the mother of the girl surrendered her daughter to the prophet, more mysteries become obvious. Charly applies an relational network model and finds out that it represents an inbreeding chart displaying the mating behavior of the prophet and his followers. It turns out that the girl and her mother have the same father and that the girl was only forced to be with the prophet in order to lower the inbreeding coefficient of their offspring so that a cleaner bloodline can be established. The prophet flees with his followers into a condemned house in the desert and has to face the armed forces of the FBI in a show down. Written by nanoprobe19

The search for a yacht ends up splitting Charlie's loyalties when two agencies ask for his help.

Multiple robberies at upscale restaurants bring Don's team in once it escalates to murder. Elsewhere, both Charlie and Don must do some soul searching as one tackles a psychiatric review and another questions the ethics of a pharmaceutical company that wants to use his name. Written by layle

The discovery of a presumed dead police officer's badge brings the LAPD and Don's team together to solve the mystery of what happened 17 years ago. Elsewhere, Alan is served in a lawsuit, and he has to determine if his calculations were wrong when he consulted for a golf course. Written by layle

One of David's childhood friends is accused of murder while sparring in preparation for an All-Out Fighting bout, and Charlie has a contest of his own trying to defend Larry's chair in a Texas Hold 'em qualifier.

A very rich hip-hop-song producer has enemies everywhere around town. As his son is kidnapped, the kidnapper demands $3.2 million for the boy's release, but the ransom drop needs to take place within the hour. Megan is in charge, as Don has a session with his therapist throughout the show. Megan finds out that the kidnapper uses a VoIP provider in order to place the phone calls to the public phones he sends the boy's father and Granger, who assist him, to. Tracing VoIP demands the help of Amita and Charlie, who find out the last way-point where the kidnapper is eventually going to send Granger and the producer to. The FBI arrives before the kidnapper... Written by B. Tenbergen aka nanoprobe19

An old colleague of Charlie's asks for help because of the untimely deaths of some coworkers, but when she also turns up dead Don and Charlie are started on a trail that may threaten the very democracy they've vowed to protect.

Charlie splits his genius between solving a plane crash and the burglary at his home.

As letter bombs begin targeting people surrounding a previous serial bomber investigation, Don and Charlie must sift through a number of false leads to find the real killer.

Dr. Larry Flienhart literally returns to Earth after four months on the International Space Station, discovering through long chats with Charlie that he has a long way to get his physical and metaphysical feet back on terra firma after his voyage of discovery turns into one of self-discovery. Meanwhile, the brothers use math analysis to probe into the mind of a notorious hit man, awaiting execution in San Quentin, who offers to solve a murder he says he committed during a kidnapping -- and find out why his story has a big hole in it. Written by Peter Harris

The threat of a terrorist attack in L.A. puts everyone on high-alert as Don leads a special task force, and butts heads with Charlie and Alan.

A shipment of medicine and cash bound for Zambia is hijacked, and Don and his team find themselves working against a banker focused on retrieving his money at the cost of the people being held for the code to access the safe.

When Charlie and Don are specifically asked for by a bomber who's rigged a bridge, it puts them on a trail of espionage in- and outside the states, and a devastating betrayal.