Movies Like Side Effect

A woman is haunted by recurring nightmares, which seem to be instigated by her late husband who supposedly was killed in a fire.

A psychiatrist, familiar with the knife-wielding dream demon Freddy Krueger, helps teens at a mental hospital battle the killer who is invading their dreams.

A woman tries to exonerate her brother's murder conviction by proving that the crime was committed by a supernatural phenomenon.

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After being hypnotized by his sister-in-law, Tom Witzky begins seeing haunting visions of a girl's ghost and a mystery begins to unfold around her.

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Years into their relationship, Tim and Millie find themselves at a crossroads as they move to the country, abandoning all that is familiar in their lives except each other. With tensions already flaring, a nightmarish encounter with a mysterious, unnatural force threatens to corrupt their lives, their love, and their flesh.

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A female forensic psychiatrist discovers that all of one of her patient's multiple personalities are murder victims. She will have to find out what's happening before her time is finished.

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Two priests, one in crisis with his faith and the other confronting a turbulent past, must overcome their differences to perform a risky exorcism.

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Rebecca must unlock the terror behind her little brother's experiences that once tested her sanity, bringing her face to face with a supernatural spirit attached to their mother.

A single mom is raped by an invisible force. Her psychiatrist believes the experience stems from childhood trauma, while she knows something supernatural is at play.

A boy and his stepmother fear for their safety after an eerie creature resembling the boy's recently deceased father visits them.

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For centuries and across cultures, parents have warned their children of the legendary Bagman, who snatches innocent children and stuffs them into his vile, rotting bag—never to be seen again. Patrick McKee narrowly escaped such an encounter as a boy, which left him with lasting scars throughout his adulthood. Now, Patrick’s childhood tormentor has returned, threatening the safety of his wife Karina and son Jake.

A mother of two inherits a home from her aunt. On the first night in the new home she is confronted with murderous intruders and fights for her daughters’ lives. Sixteen years later the daughters reunite at the house, and that is when things get strange...

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As an evil takes over the world beyond their front doorstep, the only protection for a mother and her twin sons is their house and their family’s protective bond.

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In town for a job interview, a young woman arrives at her Airbnb late at night only to find that it has been mistakenly double-booked and a strange man is already staying there. Against her better judgement, she decides to stay the night anyway.

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A research scientist explores the boundaries and frontiers of human consciousness. Using sensory deprivation and hallucinogenic mixtures from Native American shamans, he explores these altered states of cognizance and finds that memory, time, and reality itself are states of mind.

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When a mysterious entity possesses a young girl, her mother seeks the help of two Catholic priests to save her life.

After a young, middle-class couple moves into what seems like a typical suburban house, they become increasingly disturbed by a presence that may or may not be demonic but is certainly the most active in the middle of the night.

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A teenage girl living with schizophrenia begins to suspect her neighbor has kidnapped a child. Her parents try desperately to help her live a normal life, without exposing their own tragic secrets, and the only person who believes her is Caleb – a boy she isn’t even sure exists.

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An ex-cop and his family are the target of an evil force that is using mirrors as a gateway into their home.

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While holidaying in Ireland, a pregnant children's author finds her mental state becoming increasingly unstable, resulting in paranoia, hallucinations, and visions of a doppelgänger.