CBI takes on a case involving a murdered state lobbyist, and Patrick helps in the case despite being preoccupied with Kristina's disappearance, presumably at the hands of Red John
Patrick reluctantly helps his brother-in-law with whom he has an uneasy relationship, when one of his marks in an investment scam turns up dead and he claims to be innocent
While CBI discovers that a homicide investigation leads back to Bret Stiles and his "Visualize" cult, Patrick receives a tip that provides proof that Red John has abducted Kristina Frye and that she is probably still alive
Patrick battles with a former defense attorney-turned courtroom talk show host as CBI tries to find the person who killed a convicted felon who was set free because of faulty DNA evidence
When an ex-jockey is found dead, Patrick heads to the racetrack to find some answers
The boyfriend of a federal judge's daughter is killed and the daughter is missing, but has she been kidnapped or did she do it?
A Russian businessman dies in an explosion, and the prime suspect is a familiar face from CBI's past who also has a romantic interest in agent Lisbon
Patrick is kidnapped by a person from one of his old cases who holds a grudge against him, and agent Lisbon is forced to make a deal with the Devil to find him
CBI connects a small-town triple homicide to a cop killer, and a "psychic" who offers to help with the case suggests that the killer's actions are based on the moon cycle
While CBI investigates the death of a Santa, Patrick discovers that he is a suspect in the death of a cop killer who was set on fire while in police custody
Patrick and the team investigate the murder of a woman with ties to two professional Cage Fighters
Patrick reluctantly works with a Decision Science consultant to solve a pair of murders that may be connected to a long-dormant serial killer
A man who claims that he was falsely accused of killing his wife holds Patrick and several other people hostage
A protected witness under Van Pelt's watch who is set to testify against a drug dealer is shot and killed, and the key to solving the mystery may involve getting to the victim's daughter's repressed memories
Patrick works with special agent Hightower to figure out who killed a struggling gold prospector
Evidence in the murder of an antiques dealer found dead in a museum indicates that the suspect may be a member of the CBI team
LaRoche's unwelcome presence at a crime scene puts pressure on the team as they investigate the murder of a transplant doctor at a golf club
The body of CBI's latest murder victim is stolen, and the team later learns the the victim claimed that he had been abducted by aliens. Meanwhile, coroner Steiner surprisingly confides a surprising secret with Patrick
Patrick is convinced that a manipulative matchmaker murdered her husband and sets out to prove it
While CBI investigates the murder of an electronics store owner, Patrick tries to hide the secret that he hired a robber who unsuccessfully broke into LaRoche's home
Rigsby is forced to turn to his ex-con father to help solve the murder of a prison guard
While CBI investigates the murder of a concert violinist, Cho helps a boy who is searching for clues that could prove his imprisoned father's innocence
A robber with a bomb attached to him is blown up in front of a convenience store, and CBI soon discovers that there may be connections between this case and Red John and agent Hightower
Patrick trades Hightower's secret location to Laroche for the four remaining names on his list. The team then sets up a trap to uncover Red John's real informant, leading to a possible face-to-face showdown between Patrick and Red John