Allison dreams that she's a woman who's been committed to a mental institution in 1959. After viewing taped sessions from the clinic, Allison discovers that the woman from her dream had made claims of being Allison DuBois, living in 2005.

Allison can't get a psychotic murderer out of her head which makes Joe worry about his daughters' well-being.

Allison dreams that her brother was involved in a local bank robbery. Her suspicions grow when he unexpectedly shows up in town and gets involved with a con woman.

A serial killer from the past begins to possess people so he can kill again. Allison races against the clock to save his next victim, but she becomes a target in the process.

Allison dreams about a strange friendship between two recently murdered ghosts. When she tries to help one of the ghosts solve his murder, she is surprised when he declines her help.

Devalos is investigating the death of one of his close friends and gets help from Allison, who's been having disturbing dreams about a young woman who appears to be possessed. Meanwhile, Joe talks with his boss to see if he can lead the company's next big project.

Allison investigates the case a woman's murdered husband. Meanwhile, her brother Michael gets a job as a telephone hotline psychic which leads him to visit a distressed customer in Arizona - the same customer whose case Allison is investigating.

Allison is confused when her dreams of a man murdering his wife keep occurring, even after she helped Devalos convince the jury of the suspected killer's guilt. Through her troubles she manages to make a new friend named Debra. Meanwhile, Joe is frustrated by the therapy sessions that his job enrolled him in, and can't express his feelings to Allison because the recent hostage situation he was in is still greatly affecting him.

Joe brings a reluctant Allison with him to a party at a prospective employer's house. Later on, the employer's daughter disappears, leading Allison to connect her recent dreams about Paris to the disappearance. Now it's up to Allison to save the daughter, which coincidentally will also secure Joe a job.

A shocking and brutal conclusion awaits Allison and Cynthia as they delve into the decade-old case of the kidnapping and murder of Cynthia's daughter. Meanwhile, Joe tries to get funding for a new invention and Bridgette predicts good fortunes for her dad.

When Joe presents his new solar power-based invention to an investment firm, he piques the interest of venture capitalist Meghan Doyle. Meanwhile, FBI profiler agent Edward Cooper claims his return to Phoenix is to track down another serial killer, but Allison's dreams tell her otherwise.

Allison has dreams that help Scanlon in his search to find out who killed a wealthy local drug dealer. Allison and Scanlon are dumbfounded when Allison's dreams lead them to a severely impaired man with a bullet stuck in his brain. Meanwhile, Joe's partnership with Meghan Doyle is put in jeopardy.

Delavos receives help from Allison when he investigates the murder of his friends sister. But the case is taken into an unexpected direction when when Allison's visions involves the friend's former husband and current spouse. On the domestic front, Bridgette finds herself in trouble at school when she is caught drawing pictures of her teacher in the nude.

While working on a 17 year-old-crime, Allison exhibits unusual behavior that may be pivotal in solving the case, but at the same time puts her family at risk. Meanwhile, Joe's dinner invitation to a colleague yields surprising results.

Allison leaves her job at the D.A.'s office after she's recruited to work for the Lydecker Corporation by another psychic who works there. While enjoying her new job, Allison still regrets leaving the D.A.'s office so suddenly, and has dreams about a serial killer running loose in Phoenix. Meanwhile, extenuating circumstances cause Ariel to start taking pills.

Allison finds out she has a brain tumor and must get surgery to get rid of it, but then has a dream that the surgery will take away her dreams after dreaming that Castillo is going to kill Joe and the girls.

Allison and her family deal with the outcome of her brain surgery and its possible lasting effects. Also, a local television station owner asks Devalos and Scanlon to look into the possible stalking of his sportscaster, who is also his wife.

When Allison's friend with cancer suddenly dies she suspects a hospital employee may be at fault. Meanwhile, Bridgette writes a story that closely follows what later happens at Joe's job interview.

Allison believes she is having after effects from her recent brain surgery after experiencing strange symbols as visions. However, as the story plays out, it seems the symbols may be the key to uncovering the true identity of a serial killer.

The film "Night of the Living Dead" gets Allison nightmares where scenes from the movie are put in her mind. It results in her getting cuts and bite marks and even clues that lead to hear funeral director's killer.

Odd things occur for Allison, starting with her new sensitivity to light and the fact that the sunglasses she wears shows mysterious numbers that can tie into people's life expectancies. Like that wasn't enough, Allison has a dream about Joe's dad, causing Joe to begin taking better care of his health.

With everyone caught up in the sensational trial of luscious young Gloria, accused of the murder of her 93 year old husband, Allison begins seeing the face of a man named Fred everywhere she goes.

A distressed Ariel begins to lose hours and then years of time in her life and must look to her future self to find out how to get back to the present.

When an animal rights activist working undercover at a farm goes missing, Allison befriends a pig that could hold the key to the woman's whereabouts. Also, Joe's special birthday gift from Marie leaves him wondering how she was able to obtain it.

When Allison's brain tumor resurfaces, its aftermath could have life-altering consequences for her friends and family, on the sixth season finale of MEDIUM.

When Allison gets a skin graft on her hand after a burn, she is puzzled when the same hand acts with a mind of its own, gesturing uncontrollably. Also, Bridgette keeps her real role on the soccer team a secret from her parents.

When Allison becomes a lawyer and Joe starts a new job, the Dubois family is forever changed on the series finale of Medium.