An 8-year-old girl becomes the host of some of the most common parasites in nature. Then, a teen fights to keep from going blind after a fly uses his eye as a breeding ground.

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Find episode transcripts here: https://monsters-inside-me.simplecast.com/episodes/breeders

A seemingly innocent cat scratch leaves a veterinary volunteer with a raised and growing wound on her chest. When it begins to move, she's horrified that something could be growing inside.

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Find episode transcripts here: https://monsters-inside-me.simplecast.com/episodes/flesh-eaters

When a 3 year old loses a third of her body weight over a few days, her parents scour their home to find the source of her infection. Then, a veteran firefighter battles an amoeba that's attacking his brain.

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Find episode transcripts here: https://monsters-inside-me.simplecast.com/episodes/lurkers

An invisible attacker ravages a fourth grade teacher from the inside out. Then, an insatiable maneater drives a retiree to the brink of insanity.

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A fit dance instructor is suddenly stopped in her tracks by unbearable abdominal pain and a mysterious mass in her colon that is revealed to contain decaying worms. Then, a scientist finds worms living in his skin and eyes.

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A 9-year-old hockey prodigy is attacked by a brain-eating monster and brought to the brink of death. Then, a Boston runner is torn from his training regimen when a lethal beast devours his internal organs.

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In Virginia, a vicious parasite on a rampage targets a child. Then, a brutal killer invades a traveler's blood in Michigan and a summer's day at a Florida lake turns into a nightmare when a ruthless monster attacks a boy's brain.

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A young woman in Virginia is attacked by a brain-eating monster that threatens to take her life. Then, a Midwestern farmer battles a beast that can't be killed and a New Yorker is infected with the deadliest parasite on Earth.

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A deceptive and cunning parasite attacks the cornea of a teenager's eye. Then, a runner contracts a tick-borne illness that doctors think is cancer or malaria and a parasitic worm ravages a man's intestines.

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A New Jersey woman's apartment is infested with bed bugs. Then in Oklahoma, a chemical sprayer's cough turns out to be the result of parasitic worms that multiply in the human lung.

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A mysterious organism strikes a Midwest city, causing the worst parasitic outbreak in US history. In Chicago, doctors must track down a hidden killer that attacks students, and a flesh-eating monster terrorizes a Texas community.

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A creature feeds on the brain tissue of a young boy after he ingests worm eggs, and a killer works its way through the body of a Vietnam veteran, laying waste to his organs and lymph system.

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Hear shocking, true stories about mysterious illnesses caused by some of the smallest creatures alive: parasites. These tiny yet powerful creatures take up residence in unsuspecting hosts and attack the body, causing everything from splitting headaches to blindness to organ failure. On Monsters Inside Me, you’ll hear doctors, friends and family race to unlock the mystery ravaging the victim’s body before it is too late. With direct audio from Animal Planet’s hit TV show, find out how powerful parasites really are.

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