Don has a problem. Crystal Hoyle and her boyfriend Buck are going on a robbery and killing spree. Their terror is spread over seven states, and Charlie is called in to help. However, problems between Alan and Charlie may hinder Charlie's concentration.

David tries to get information from one of Crystal's old boyfriends, but he isn't helping. Things get personal for the team when Crystal kidnaps one of them.

Don, Charlie, and the team search for a polygamist who is on the run. The man is on the FBI's Ten Most Wanted List for rape and murder.

Don talks to his therapist again, and while he's gone, the team races to find an eleven year-old boy being held on a $3 million ransom, and time is running out...

In the midst of investigating a serious bomb threat, Don and Charlie uncover a secret that could change their lives and the lives of the team forever.

A California State Senator and a psychiatrist--neither have much in common with the other except for one thing...they both turn up dead on Don's watch. While the circumstances of their deaths are different, Don thinks the two murders are related, and tries to prove his hunch right. What he finds may bring to light a deep secret the government has been hiding for years.

After the events of "The Janus List," Colby escapes from custody. Don and the team go after him, but everything may not be as it seems.

Charlie and Don reluctantly enlist the help of imprisoned con man John Buckley to help them catch a crook who's using Buckley's M.O. to rob the Diamond Exchange..

In the season finale, Don and Charlie work together on a case that ends up with them going head to head about their personal beliefs, and one team member will walk away forever.

When Amita is abducted, Don and the team’s frantic search for her leads them to the delusional head of a cult, but it is up to a distraught Charlie to discover what the suspect’s bizarre plans for her are.

Don and the rest of the team find themselves in the midst of a confusing case. The investigation into a missing painting turns grim as a murder plot surfaces. Add Nazis to the mix, and things take an even more interesting turn!

Blackouts leave Los Angeles in the dark. Don must work with his entire team to figure out if the power outages are a catastrophic accident or the sinister plot of terrorists.

The case of a dead minor league baseball player leaves Don and the team with more questions than answers. When Charlie discovers that someone has come up with a statistical analysis that can identify which of the players are on steriods, the case gets more leads...and a suspect.

The problem of the disposal of toxic waste becomes real to Don, Charlie and the team when several children are injured after a sinkhole collapses underneath a school playground. Charlie attempts to help with the case, but faces opposition from his new boss.

Don and Charlie track a killer who has murdered several sex predators. The predators took advantage of teenage girls they met in chat rooms. Meanwhile, Larry is ready to begin an adventure with NASA.

Don and the team reopen a cold case when a LAPD badge turns up at a construction site. When Charlie joins the investigation, they attempt to track down the owner of the badge, an officer who has been missing 17 years. Meanwhile, Alan is informed that he's being sued.

Several area murders seem to be tied to voter fraud. Don, Charlie, and the team must find the killers before they strike again.

Don and his team must race to save the hostages being held on a hijacked bus.

Feeling guilty over the stabbing, Charlie puts his attention on finding a serial killer using math theories to help the team solve the case before another life is taken.

While tracking down a felon running a heroin ring inside a prison, Agent Ian Edgerton becomes a murder suspect when the informant he meets with ends up dead, sending a desperate Edgerton over the edge when he takes a member of Don's team hostage.

After Charlie and Amita get married and begin preparations for their London adventure, they put a slight hold on their wedded bliss when they assist the team in helping Don track down the whereabouts of his gun after it goes missing.

A bad case becomes worse when Don and the team must pursue a police officer believed to have committed unspeakable crimes.

The team investigates a crew stealing high-end goods from a shipping service; Don questions his faith in the FBI when one of his men is killed on duty.

Don and the team are left with little recourse when a former FBI subcontractor takes a team member hostage.

Don's life hangs in the balance after he is injured during a raid while investigating a series of home invasions.