When a prosecutor mysteriously drops dead in the middle of a courtroom, Pierce and Moretti go on the hunt for a killer. Meanwhile, Moretti and Donnie make some decisions about…

After a young victim with a developmental disorder is taken hostage in a bank robbery, Moretti brings in Pierce to interview the boy. When they finally track down the culprits,…

Dr. Daniel Pierce’s picture-perfect new life in Paris is suddenly turned upside down after he is approached by the FBI legat to help with a dangerous international case. Meanwhile, his…

Pierce receives a tip that the CIA might be assassinating U.S. citizens; one of Pierce’s close friends is murdered; Moretti tries to overcome her trust issues.

Pierce’s mental stability is questioned and his job threatened when he is accused of stalking his ex-girlfriend, Caroline Newsome. As the situation escalates, Moretti works to find the real stalker…

Lewicki’s brother shows up unannounced; Kenny is named the key suspect in a homicide case; Lewicki is approached with an offer that makes him question Pierce’s loyalty.

Pierce investigates a stabbing at a psychiatric hospital and becomes convinced that the hospital is full of dark secrets.

Donnie tries to help a war hero who suffers from a neurological disorder; Pierce is surprised by an old flame.

Moretti faces criminal charges after taking matters into her own hands on a dangerous case; Pierce and Donnie try to clear Kate’s name.

Pierce fights for an autistic teen who is under interrogation for murder; Dean Haley attempts to convince a neuroscience prodigy to attend CLMU.

Pierce and Morretti plunge into virtual reality to solve the murder of Kurt Simpson, a man who spent most of his time in a massive multiplayer online game called Caleidoscope….

A new brain device to control tremors seems to have a defect that turns out to be far more serious than a technical malfunction, and Pierce partners with Donnie to…

When a series of bizarre public murders occur, Pierce realizes that the killer is trying to send a message about inattentional blindness, but Donnie doubts this theory. But Pierce has…

Pierce accepts an invitation to work on a case from a renowned environmental activist concerning a chain of abnormal neurological reactions in a group of young girls. However, upon examining…

When Moretti receives a deathbed confession about the hit-and-run murder of a teenager from 1992, she calls on Pierce to determine the ailing man’s credibility. The case becomes complicated, however,…

Pierce and Moretti take on an extraterrestrial case when a woman reports that aliens have abducted her husband. When Pierce and Moretti arrive to investigate, however, they make a startling…

FBI Agent Kate Moretti asks Dr. Daniel Pierce to determine the mental competency of a man being retried for murder. But the trial takes a shocking and unexpected turn when…

In the Season 4 finale, Bonnie’s wedding planner quits as her big day draws near, so her best buddy, Charlotte, volunteers to help, but Charlotte has an ulterior motive. Meanwhile,…

Tucker hires Riley to represent him in a lawsuit against a construction company, but his hazy memory makes the case challenging for her. Meanwhile, Bonnie predicts her sons will fail…

The gang head to Las Vegas, where Tucker’s hidden hobby is exposed.

Ben attempts to work out who should receive custody of Emma in the event of anything bad happening to him.

Ben corrupts Ross by spending too much time with him, which infuriates Riley and leads her to declare a war in which Ross—unbeknownst to him—is the prize. Meanwhile, Bonnie wants…

The gang reflect on their past entanglements, forgetting to safeguard a cherished item of Bonnie’s in the process.

Riley hosts a cocktail party in order to meet Ross’ friends, and Ross tells Ben not to attend. Meanwhile, Danny tries to figure out his new girlfriend’s last name; and…

Ben and Riley make a bet concerning strangers in a bar and it leads to trouble at work for both of them: Riley sleeps with a stranger who becomes her…

Emma’s babysitters feel unappreciated, so they go on strike, forcing Ben to bring Emma along on his dates and shifts at work. Meanwhile, Danny and Bonnie enroll in a cooking…

After making a mess of her confession to Danny, Riley retreats to her parents’ house to hide.

Moretti and Pierce are called upon to solve a crime in their own backyard when a college student is killed in her dorm room. Pierce is forced into the uncomfortable…

The navy are in town so Ben and Tucker pretend to sailors in order to score with the ladies.

A student tips off Pierce about a potential conspiracy to cover up the murder of a U.S. Senator.

Riley knows she has to tell Danny she has feelings for him before his relationship with Robyn gets any more serious.

Danny stumbles upon a family secret while planning a birthday bash for Bonnie with Ben, Riley and Tucker.

Ben panics when he forgets his mother’s birthday; Danny learns surprising news that overshadows Bonnie’s party; Emma is injured while in Riley and Tucker’s care.

Moretti learns that there may be some truth to Pierce’s conspiracy theory; Pierce’s new doctor forces him to face the truth about Natalie.

Bonnie and her old boyfriend Brad are in competion for a huge listing so she decides to seduce him in order to beat him.

Pierce must take a deep look into his own life when he is brought into a case involving a schizophrenic. Meanwhile, Moretti stops at nothing to impress her new boss…

Pierce is called upon to help the FBI investigate the murder of a therapist. Moretti spends more time with Professor Hathaway. And Dean Haley uses Pierce as bait to get…

Pierce tries to crack a coded message left in a newspaper by someone who may be connected to a murder. But time isn’t on his side as another victim’s life…

When a young man in a cult claims to be hearing the word of God, Pierce must determine if it’s actually the word of God or a life-threatening neurological condition….

Danny turns to Bonnie’s ex Brad for help, as he doesn’t want the gang to know what happened with Paris and Georgia.