Medium - Season 4 (2008)

Allison completely loses her hearing after a wealthy young deaf girl is kidnapped, so Joe steps in to assist her and investigator Cynthia Keener.

Putting aside past clashes, defense attorney Larry Watt hires Allison as a consultant on a case. But his gamble does not turn out as expected when Allison's dreams indicate his client, a murder suspect, is guilty.

As Manuel Devalos makes a run to reclaim his District Attorney seat, Allison has disturbing visions about his old friend and political ally Senator Jed Garrity's past.

Joe's mother Marjorie comes to visit, and a murder case reunites Allison, Devalos, and Detective Lee Scanlon.

Allison attempts to find the link between her dreams, a case she's working on for Cynthia Keener, Devalos' arson-related murder case, and Ariel's prediction of the death of an acquaintance's mother.

Allison's dreams involve Cynthia Keener in a very personal way, and Joe's inspiration for solar power causes conflict with Allison.

Cynthia and Allison investigate further into the kidnapping, while Allison still sees into Cynthia's past. After helping Bridgette with her science project, Joe gets a prediction from his middle daughter about his future finances.

Allison teams up with Scanlon to locate a dangerous "cougar" who is believed to be responsible for the savage murders of two young men.

FBI profiler Agent Edward Cooper tries to convince Allison he's back in Phoenix to track down, not murder, another serial killer, but her dreams tell her a different story.

Allison's dream about a friend of Lynn DiNovi's puts her in the middle of an investigation that escalates to five murders and unrelated suspects. At home, Joe must find some way to convince an optometrist Marie can't read his chart.

Allison's new used car turns out to have been central to a murder, and her visions get a little interactive; a patent threat stresses Joe and Meghan.

Allison's dreams may solve the murder of a drug dealer, but a deal with a relative takes a surprising twist. Meanwhile, Joe's relationship with Meghan is strained by her behavior.

Tom Van Dyke gives Devalos some surprising news that affects his candidacy, and Allison tries to unravel the mystery of why a woman she consulted for on a haunting later committed suicide.