Medium — Season 1

Joe tries to prove that Allison's dreams are stress related by sending descriptions of them to law enforcement agencies. However, when one of her dreams matches a homicide in Texas, his attempt is thwarted.

Allison questions her powers when her old boss asks for her help in selecting a jury that will reinstate the death penalty for a murderer/rapist. This causes Allison to suspect that she has helped put the wrong man on death row.

Allison has a dream of a husband and wife committing a murder/suicide. D.A. Devalos introduces her to a friend of his, Detective Lee Scanlon, who's sister and brother in-law's deaths were also ruled a murder/suicide, and sees a connection. After learning about Allison's methods of investigation, Scanlon decides he doesn't want her help.

Allison tries convincing Devalos that she heard a witness misinforming a police sketch artist, making them look for the wrong man. Meanwhile, 6-year-old Bridgette's new playmate indicates that another member of the family can see the dead.

Allison seeks Catherine's (the psychic she talked to in "Pilot") help after learning that Joe has scheduled a biopsy exam. The psychic gives her a strange message that later comes back to haunt Allison. A case about the homicide of a police officer takes a shocking turn when Allison dreams where the murder weapon is located and is then called to the stand to testify how she obtained the information. Meanwhile, Allison fears that Joe is having an affair when he repeatedly comes home late from work.

Allison runs into the man who kidnapped her daughter in one of her dreams at the District Attorney's office. She learns that he is a "Good Samaritan" who witnessed a robbery and is fully cooperating. After learning that he has kidnapped multiple young women, Allison reaches a roadblock in her investigation that leads her to yet another unbelievable breakthrough in the case. Meanwhile, Joe tutors Ariel in math, which in turn brings Allison to another shocking discovery.

Allison investigates the supposed suicide of a girl who was dating D.A. Larry Watt's son Greg. When the girl's body is found in a ravine, new evidence is presented that implicates the defense attorney. Meanwhile, Joe is concerned about one of his colleagues after Allison has a premonition of the colleague having a heart attack.

After Alison has a terrible dream of her soldier brother dying, she gets a surprise at her front door. Meanwhile, Allison and Devalos work on an arson case and Allison has trouble getting information from the ghost of a young girl who died in the fire.

Allison's daughter Ariel dreams that she is a young girl named Sarah being held captive by an ogre in a castle. While Joe agonizes over the possibility that both of his daughters have inherited their mother's psychic abilities, Allison tries to help Ariel and interpret the dream. However, Allison's advice provokes Ariel to run away from a field trip in order to follow up a clue.

Allison's recurring dream about two young boys racing a train is analyzed by Dr. Leonard Cardwell, but Allison soon learns that he's involved. Devalos investigates the case of a 14-year-old who confessed to murder.

Allison gets sick and entertains herself by watching a '60s sitcom called "I Married a Mind Reader." The male star was convicted of killing his wife, the female star. Allison's dreams take her back to the '60s, which for her end up being a time of deceit, lies, and secrets.

The girlfriend of a convicted drug lord is killed on the night of his execution. The drug lord's ghost is seen at the crime scene, and Allison is brought in to investigate. Also, Allison discovers a dark secret about the mother of a boy that Ariel has a crush on.

Evidence shows that a pilot is indeed guilty of his wife's murder. However, in Allison’s dream, when the pilot is put in jail, there is a plane crash where hundreds of people are killed. Should Allison put forth the evidence to land this guilty man in jail, or let him go free in order to save hundreds of innocent lives?

When a case from ten years is re-opened, Allison finds herself in a chaotic situation. Things continue to get messier when Allison finds out that the convicted man is innocent, and that someone she knows and trusts may have been involved in his framing.

Allison encounters a psychopathic doctor who raped and murdered numerous teenage girls years ago. After learning that an evil soul has been possessing people, she sets forth to stop it before a new victim is found. Meanwhile, Ariel's math teacher accuses her of cheating and Joe steps up to her defense.

After somehow seeing Capt. Kenneth Push in a vision at a murder scene, Allison calls upon his assistance to find a serial killer. However, the only way Capt. Push can help is by literally putting his life on the line.