Seasons & Episodes
Sleeper Cells
These killers lie dormant, waiting for the right time to strike. Eleven-month-old Garrett Richardson ingests the eggs of
Outbreak
Across the United States, doctors and scientists are fighting a war against some of nature's deadliest creatures — par
Sex Maniacs
Perfecting the art of reproduction have made parasites the most successful life form on the planet. There are some who a
Masters of Disguise
Parasites are ruthless, single-minded and above all devious. To become the most prolific life forms in the world takes a
Hijackers
Nature is a war zone and parasites are the ultimate fighters. They are hungry, they are ruthless and they don't play by
Living with the Enemy
In Virginia a young woman is attacked by an invincible brain-eating monster that threatens to take her life. A Midwester
Suicide Attackers
A fit and active dance instructor is suddenly stopped in her tracks by unbearable abdominal pain and vomiting, and a mys
Feeding Frenzy
A schoolteacher deals with an amoeba that eats at his liver and causes him high fever, abdominal pain, sweating, and chi
Cold Blooded Killers
A nine-year-old hockey player comes down with encephalitis from the Acanthamoeba, which causes him to lose his concentra
Lurkers
The Crytosporidium parasite infects a little girl, causing her severe vomiting and diarrhea. A microscopic amoeba kills
Flesh Eaters
A cat scratch leads to a horrifying result for a veterinary volunteer; strange liquid oozes from a college student's arm
Stowaways
Stories of parasites that reside inside their traveling hosts; an Iraq war veteran pulls a foot-long worm from his body.
Breeders
Daily stomach cramps reveal some of the most common parasites in nature.
Double Agents
A man tries hookworms to cure his allergies; a bloodsuckers gets into a writer's nose.
Homegrown Enemies
A middle-aged man who has been caring for his ailing mother gets Babesiosis from walking barefoot to the mailbox. Since
Shape Shifters
A seven-year-old girl suffers from seizures from a pork tapeworm after being adopted at the age of three from Nepal. A f
My Child Will Only Eat Cat Food
A toddler starts worrying her parents when she loses her appetite for the foods she normally eats, but starts craving sa
Something's Eating My Son Inside Out
A teenage boy starts complaining of nasal pain and fever after a swim in the lake. It eventually turns out that he has b
My Face Eating Parasite
A man suddenly grows a pimple that seems minor at first, but eventually oozes and makes his face swollen. A young man th
My Daughter Is Losing Her Mind
A fairly young part-time student starts feeling a throbbing headache, which causes her to have the flu and then meningit
Something's Eating My Dreams
A teenage girl has been enjoying her life of gymnastics and nature, when she suddenly receives a scratch on her hand. Th
A Monster's Taking My Baby
A middle school teacher has been having a healthy pregnancy until suddenly, she starts experiencing abdominal cramps and
I Coughed Up Worms!
A young mother expecting her second child suddenly comes down with a stuffy nose and itchy throat. They appear to be typ
My Brain Has Been Hijacked
A 1-year old boy who survived a premature birth starts resisting food, suffering a fever, and coughing up blood. After b
You Left What Inside Me?
A little girl's health begins to deteriorate when she suddenly comes down with a fever. She then develops reddish spots
Killer in My Neck
A young aspiring artist suddenly comes down with flu-like symptoms and a swollen face. To make matters worse, his eyes a
The Flesh-Eating Monster
A 7-year-old girl contracts the bubonic plague and suffers a 107 fever, vomiting, painful buboes, and seizures; a yoga i
There's a Worm in My Eye
A teenage ballerina suffers from painful migraines and muscle failures; a young missionary's skin crawls when he uncover
Choosing Between Life and Limb
A newly engaged Illinois man mysteriously collapses and suffers organ failure and gangrene from Legionnaire's disease. H
It Came From a Tick...
A mother suffers with abdominal pain and nausea for four years until the true cause of her condition is discovered; a 2-
My Husband is Hallucinating
A small-town boy's summer fun is cut short by a life-threatening Neisseria meningitidis infection. An oil rig worker and
Dying Abroad
A Peace Corps volunteer traveling to Burkina Faso suddenly suffers from excruciating bouts of nausea and diarrhea from E
Maggots Are Eating Me Alive
A teenager caught in the 2011 Joplin tornado in Missouri is recovering in the hospital when he suddenly suffers from a l
A Deadly Swim
A teenage boy develops stomach pains, starts vomiting blood and fecal matter, and has nausea from accidentally swallowin
My Christmas from Hell
A special episode with three cases that happened during the holidays – A newlywed woman gets a constant pain in her sc
I Almost Killed My Baby
A newborn baby develops hydrocephalus from a parasitic disease called toxoplasmosis, which was contracted from his mothe
My Daughter's Going Crazy
A teenage girl begins having strange mood swings from anti-NMDA receptor encephalitis; an elderly mother gets chills, ha
West Nile Attack!
A 6-year-old boy suffers a nasty cough, fever, and vomiting from valley fever; a newlywed husband becomes paralyzed from
A Menace in My Own Backyard
A 23-year-old athlete/construction worker suffers multiple grand mal seizures and high fevers from eastern equine enceph
The Killer in the Lake
A contractor gets hit in the head with a tool, and later starts getting a pounding headache, dizziness, spotty vision, a
There's a Maggot Crawling in My What?
A Canadian science-lover and traveler suffers a painful lesion caused by botfly larvae; a video game programmer gets suf
Vampire Parasites Attack
A war veteran suffers fatigue, high fevers, night sweats, strange rashes, bloody urine and jaundice from babesiosis; a 1
A Holiday in the Hospital
The second episode of the series to be Christmas-themed – a saleswoman gets a stabbing headaches and a constant burnin
My Body Is Rotting
A teenager gets coughing, shoulder pains, dizziness, and nausea from Cryptococcus gattii fungi invading her lungs; a sal
The Brain Colonizer
A Canadian 13-month-old toddler gets breathing difficulties and mild vomiting from accidentally swallowing a button batt
I Smell Like Death
A 29-year-old man gets tooth pain and almost dies of necrotizing fasciitis caused by the bacteria Streptococcus intermed
There's Something Living In My Knee
A 4-year-old boy literally drowns in his own mucus, being a victim of an outbreak of the Enterovirus D68 virus; a 7-year
Help! My Son is a Leper
An athlete gets headaches, stomach pains, breathing difficulties, and a liver mass from Entamoeba histolytica from a tri
My Vacation From Hell
During a fishing vacation, a soccer coach goes into septic shock from Vibrio vulnificus necrotizing fasciitis after bang
There's a Fungus in My What!?!
A newlywed woman gets extreme headaches, memory problems, sinus pressure, and painful rashes, while her husband gets end
Worms Are Eating My Lungs
An 11-month-old boy experiences wheezing and vomiting after swallowing a button battery; a landscaper becomes infected w
An Amoeba is Eating My Brain
A 2-year-old girl experiences severe pain, trouble breathing, and vomiting from a bark scorpion sting; a neuroscientist
The Eyeball Eater
A young college student contracts Acanthamoeba keratitis from sleeping in her contact lenses; an infant becomes temporar
The Backyard Killer
A California teenager nearly suffocates from hantavirus pulmonary syndrome; a Hawaiian personal trainer suffers years of
They Hijacked My Eyeball
A 13-year-old boy gets a cut on his leg that nearly leads to amputation when it becomes infected with Staphylococcus aur
All I Got For Christmas Is Brain Surgery
The third episode of the series to be Christmas-themed – A baby is having problems controlling the left side of her bo
Backyard Killers
This episode looks back at three cases from past episodes: a teenage boy with a grill bristle in his intestines (A Deadl
I Have a What in my What?
A infant becomes totally paralyzed after accidental exposure to botulinum toxin; a Texas man develops severe pain in his
There's Something Living In My Hand!
An Idaho 17-year-old football player is struck with a sore throat, breathing difficulties/lung pain, confusion, kidney f
My Wife is Rotting
During a family vacation cruise, a Louisiana 2-year-old is restless and drools, which leads to vomiting and kidney and l
My Hands Are Falling Off
A Canadian woman suffers a piercing pain in her throat and vomiting from accidentally swallowing a grill bristle (for wh
My Evil Twin is Driving Me Crazy
A four-year-old Pennsylvania boy gets a runny nose with red discharge, stomach pains, pale skin and extreme pain from ac
Holiday from Hell
The show's fourth Christmas-themed episode, and the second episode of the series that looks back at three past cases, in
Help! I'm Being Eaten Alive
A young girl is brought to the hospital with stabbing pains in her scalp; a mother's mysterious symptoms threaten to tea
My Brain Is Under Attack
A man falls comatose; a college student has a sore throat; and a young woman's symptoms confound experts.
My Second Brain Is Killing Me
A man has something living in his eye; a young girl mysteriously falls ill; and a woman's bizarre symptoms push her to t
The Monster in My Mouth
An infant falls mysteriously ill; a biology professor becomes an unexpected host; and a family man is brought to the bri
There's a Maggot in My Head
A new mother is in critical condition; a young boy has an ailment that no antibiotics can cure; and a young man has an i
Something Is Eating My Baby
A young boy has a strange condition; a woman's symptoms push her to madness; and a toddler falls into a trance-like stat
Braced for Death
A teenager develops mysterious blotchy sores; an athlete is hit by a rare infection; and a woman battles strange bouts o
I Can't Stop Coughing Up Blood
A man coughs up blood; a newlywed husband is struck down by a rare disease; and a father struggles with abdominal pain.
The Organ Shredder
An infant is suddenly paralyzed; a father is infected with a monster that threatens to blind him; and a woman's excrucia
My Lungs Are Rotting
A woman is struck down by a dangerous parasite; an infant falls mysterious ill; and a fungus brings a young man to the b
All I Got For Christmas
After a man hits his head, he's left fighting a one-on-a-million medical mystery; a boy's wounded knee becomes home to a
There Are Twigs In My Urine
A man develops a strange growth on his wrist; a nurse finds twig-like pieces in her urine; and a pregnant woman falls il
Holiday Hell: Why Is My Abdomen Full of Boils?
Christmas time is here, and these three victims each receive a monstrous gift. In Florida, a woman is out Christmas shop
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