Medium - Season 6 (2009)

Allison sees visions of mysterious symbols that could be the key to capturing a serial killer, but they may simply be consequences of her recent brain surgery, which leads her to unravel the truth behind them.

Allison becomes obsessed with rescuing the 11-month-old son of Dana and Scott Calvert, and ultimately becomes so fixated on the child that she kidnaps him.

In a Halloween special, Allison has vivid nightmares that insert her into scenes from the classic horror film Night of the Living Dead.

When Allison's car is wrecked, the SUV she rents turns out to have some unusual features, including a satellite radio that allows her to hear other people's conversations.

When Ariel begins dating a boy from school, Allison has visions that indicate he may be involved in a local murder. Meanwhile, Bridgette finds herself in trouble when she is discovered posting embarrassing videos of a man on the Internet.

When Allison develops a strange sensitivity to light, the sunglasses she wears reveal mysterious numbers across people's foreheads. Also, Allison's dream about Joe's dad causes Joe to start taking better care of his health.

When samples of a deadly viral disease go missing, Allison's visions could help prevent a massive bio-terror attack. Also, Scanlon is ready to propose to Lynn, but Bridgette's dreams could foreshadow problems on the horizon.

The police hunt a serial murderer, dubbed the "penny jar killer" because dead bodies are left at the scene of fresh kidnappings.

As the anniversary of Devalos' daughter's death come to pass, Devalos is haunted by memories of the traumatic event.

Allison dreams about a schizophrenic child. She later meets the child, now grown up and acting normal, in a psychiatric ward, where her roommate has allegedly run away. Meanwhile, Bridgette develops feelings for a boy.

With everyone caught up in the sensational trial of a glamorous young woman accused of the murder of her 93-year-old husband, Allison begins seeing the face of a man named Fred ( Diedrich Bader) everywhere she goes.

After Allison is mugged, she decides to take charge by enrolling in self-defense classes. Also, Devalos investigates a teenager's rape and an undercover cop's possible murder, and the suspect may have very close ties to Scanlon.

Allison and Joe's wedding is revisited, and as they prepare for their big day, she must also cope with the increasing strength of her "gift" and what these glimpses into her possible future could mean for her and her life with Joe.

Allison and her daughters dream of the same mysterious girl who may be linked to the bizarre serial murders of entire families. Also, Joe and his boss find themselves at odds while working on a major project.

Allison bonds with the mysterious girl from her dreams who she now must protect when the serial killer eyes the girl as the next target. Also, Joe expresses reluctance when he gets some added job responsibilities.

After a neighbor is murdered, Allison's fears for her own family prompt her to install a high-tech talking burglar alarm, which she later suspects may be communicating with Marie.

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.

Allison's dreams of pigs may lead to finding a young animal rights activist, Melissa Treynet, who has been missing for a few weeks.

When Allison's brain tumor resurfaces, its aftermath could have life-altering consequences for her friends and family.