The BEST Episodes of Monsters Inside Me

Every episode ever - ranked by fan votes!

Last Updated: Jan 16, 2021

Network: Animal Planet

Part horror movie, part medical detective story, "Monsters Inside Me'' depicts what happens when people fall prey to an infection from a parasite, those nasty microscopic creatures found in water, soil and even in the air. Victims' stories are retold, including how doctors and scientists attempt to unravel each case before it's too late. Biologist Dan Riskin, assisted by doctors and experts who witnessed each case, leads the scientific discussion about each parasite.

Something Is Eating My Baby

#1 - Something Is Eating My Baby

Season 8 - Episode 6 - Aired Nov 12, 2017

A toddler falls into a trance-like state; a strange condition strikes a boy; a woman's symptoms push her to madness.

star 8.92
49 votes
My Brain Has Been Hijacked

#2 - My Brain Has Been Hijacked

Season 3 - Episode 8 - Aired Nov 23, 2012

The Rauch family dodges a bullet when their prematurely born child Emmet survives for a year. But when he mysteriously coughs up blood, doctors are shocked to find a modern monster destroying his fragile body from within.

star 8.67
3 votes
Shape Shifters

#3 - Shape Shifters

Season 2 - Episode 10 - Aired Aug 25, 2010

A seven-year-old girl suffers from seizures from a pork tapeworm after being adopted at the age of three from Nepal. A forty-five-year-old machinist deals with blurry and double vision, leaving him legally blind in his left eye, from a raccoon roundworm that he picked up from his turkey hunting. A forty-one-year-old anaethesiologists, along with twenty-eight other anaethesiologists from two different counties, suffer from stomach cramps and crippling diarrhea from the Cyclospora parasite after eating raspberries infected with human feces.

star 8.57
47 votes
A Holiday in the Hospital

#4 - A Holiday in the Hospital

Season 5 - Episode 7 - Aired Dec 4, 2014

Christmas time is here, and these three victims each receive a monstrous gift. In Florida, a woman is out Christmas shopping when she suddenly feels a stabbing pain in her eye so severe that she believes she sees shadows of worms in her eye.

star 8.57
7 votes
My Daughter Is Losing Her Mind

#5 - My Daughter Is Losing Her Mind

Season 3 - Episode 4 - Aired Oct 26, 2012

A young newlywed suffers horrific seizures, and inexplicable delusions that transform this perfectly healthy woman into a complete basket case. Will her doctors be able to tease out this monster hijacking her body? Then, a man loses 50lbs from a parasite.

star 8.50
2 votes
The Monster in My Mouth

#6 - The Monster in My Mouth

Season 8 - Episode 4 - Aired Oct 29, 2017

An infant falls mysteriously ill; a biology professor becomes an unexpected host; a family man is brought to the brink.

star 8.33
48 votes
A Monster's Taking My Baby

#7 - A Monster's Taking My Baby

Season 3 - Episode 6 - Aired Nov 9, 2012

A pregnant teacher is blindsided by excruciating bouts of diarrhea, and to her horror she soon finds blood in the toilet. Can doctors find the invader, and save her baby's life before it's too late? Then, a truck driver nearly goes blind from a parasite.

star 8.33
3 votes
My Vacation from Hell

#8 - My Vacation from Hell

Season 6 - Episode 3 - Aired Nov 5, 2015

During a fishing vacation, a soccer coach goes into septic shock from V. vulnificus necrotizing fasciitis; a 7-year-old girl gets facial tics, bouts of anxiety, and turns suicidal after a streptococcal brain infection; A makeup artist gets severe stomach cramps and watery diarrhea from Giardia lamblia.

star 8.33
18 votes
An Amoeba is Eating My Brain

#9 - An Amoeba is Eating My Brain

Season 6 - Episode 6 - Aired Nov 19, 2015

A 2-year-old girl experiences severe pain and vomiting from a bark scorpion sting; a neuroscientist experiences multi-organ failure and nearly dies from leptospirosis; a 20-year-old woman suffers from severe vomiting and extreme headaches that turn out to be caused by balamuthia mandrillaris.

star 8.33
9 votes
There's a Maggot in My Head

#10 - There's a Maggot in My Head

Season 8 - Episode 5 - Aired Nov 5, 2017

Doctors discover an invader in a young man's brain; a new mother is in critical condition; a young boy's illness defies antibiotics.

star 8.33
49 votes

#11 - Lurkers

Season 2 - Episode 4 - Aired Jul 7, 2010

The Crytosporidium parasite infects a little girl, causing her severe vomiting and diarrhea. A microscopic amoeba kills a firefighter with an autoimmune disorder by causing him meningitis. A rare, vicious tapeworm detaches the retina in a teenaged girl, destroying vision in her left eye.

star 8.28
54 votes
My Christmas From Hell

#12 - My Christmas From Hell

Season 4 - Episode 9 - Aired Dec 18, 2013

It's Christmas, and a young globe-trotting couple returns home for some holiday cheer only to discover some sly stowaways that bite, suck, and consume the flesh. A family man discovers that something is eating his heart out, literally.

star 8.27
11 votes
Braced for Death

#13 - Braced for Death

Season 8 - Episode 7 - Aired Nov 19, 2017

A teenager develops mysterious blotchy sores; an athlete is struck down by a rare disease; a woman battles strange bouts of vomiting.

star 8.27
48 votes

#14 - Stowaways

Season 2 - Episode 6 - Aired Jul 28, 2010

A carpenter deals with the Japanese lung fluke, which causes him to have trouble breathing, from eating live crabs. A bike rider develops a rash on her groin and upper thighs from a parasitic worm called Schistosoma, which could possibly give her bladder cancer. A guidance counselor, who was an army veteran, develops an insatiable appetite, unusual weight loss, and abdominal pain pulls out a parasitic roundworm called Ascaris lumbricoides, which he picked up from eating contaminated food while serving in the army.

star 8.26
50 votes
Vampire Parasites Attack

#15 - Vampire Parasites Attack

Season 5 - Episode 6 - Aired Nov 20, 2014

A war veteran, a PhD scientist, and a newborn, all clinging to life by a string. In Tennessee, new parents are horrified when a deadly infection pushes their baby daughter to the brink of death.

star 8.22
9 votes
The Backyard Killer

#16 - The Backyard Killer

Season 6 - Episode 8 - Aired Dec 10, 2015

A California teenager is unable to breathe after contracting hantavirus pulmonary syndrome; a Hawaiian personal trainer suffers years of neuropathic pain from ciguatera poisoning; a Michigan health worker nearly dies from babesiosis.

star 8.22
9 votes
There's a Fungus in My What!?!

#17 - There's a Fungus in My What!?!

Season 6 - Episode 4 - Aired Nov 5, 2015

A newlywed woman gets extreme headaches, memory problems, sinus pressure, and painful rashes, while her husband gets endless nosebleeds, breathing problems, and brain fog from aspergillus; a councilman loses his spleen to visceral leishmaniasis; a 6-year-old gets a fever, red spots, a hurting mouth, loss of appetite, leg weakness, and breathing difficulties from rat bite fever.

star 8.21
14 votes
Worms Are Eating My Lungs

#18 - Worms Are Eating My Lungs

Season 6 - Episode 5 - Aired Nov 12, 2015

An 11-month-old boy experiences wheezing and vomiting after swallowing a button battery; a landscaper becomes infected with paragonimus kellicotti; a female boxer gets a severe headache, a 105 fever, and impaired vision from cat scratch fever.

star 8.18
11 votes
There Are Twigs In My Urine

#19 - There Are Twigs In My Urine

Season 8 - Episode 12 - Aired Dec 17, 2017

A strange growth develops on a man's wrist; a nurse finds twig-like pieces in her urine; a pregnant woman falls ill with flu-like symptoms.

star 8.13
8 votes
A Menace in My Own Backyard

#20 - A Menace in My Own Backyard

Season 5 - Episode 3 - Aired Oct 23, 2014

A Massachusetts EMT is shattered by a routine emergency call when she discovers that the victim is her son. A self-described tough guy in New Jersey is reduced to tears when something sinister starts to rip apart his intestines.

star 8.11
18 votes
I Smell Like Death

#21 - I Smell Like Death

Season 5 - Episode 10 - Aired Dec 18, 2014

Three healthy people with a love of the outdoors are struck down by a deadly menace that lurks inside them. In Ohio, a young boy wastes away in front of his parents' eyes as a mysterious infection overtakes his body.

star 8.10
10 votes
I Almost Killed My Baby

#22 - I Almost Killed My Baby

Season 4 - Episode 10 - Aired Dec 18, 2013

Three deadly illnesses darken the future of three young boys. In Illinois, a mother thinks her newborn son has something wrong with his eyes. When doctors analyze the boy further, they discover something is eating his eyes and brain. Can he be saved?

star 8.09
11 votes
The Brain Colonizer

#23 - The Brain Colonizer

Season 5 - Episode 9 - Aired Dec 11, 2014

Three lively people suddenly come face to face with their own mortality. In Virginia, a teen suffers seizures and sudden blindness, when doctors discover her brain is under attack.

star 8.09
11 votes

#24 - Hijackers

Season 1 - Episode 5 - Aired Jul 29, 2009

Nature is a war zone and parasites are the ultimate fighters. They are hungry, they are ruthless and they don't play by the rules. Parasites have evolved countless ways of hijacking their hosts' bodies: some steal food from inside the gut, others lurk in the blood sapping their host's nutrients and some even target their host's brain. These are some of the most horrific cases of parasitic infection in the United States. In Virginia a vicious creature is on the rampage, its next victim is an innocent child. In Michigan a brutal killer has invaded a traveler's blood, and a summer's day at a Florida lake turns into a nightmare when a ruthless monster attacks a young boy's brain.

star 8.00
36 votes
My Husband Is Hallucinating

#25 - My Husband Is Hallucinating

Season 4 - Episode 5 - Aired Oct 25, 2013

A small-town boy's summer fun is cut short by an apparent flu that suddenly transforms into a life-threatening condition. An extreme case of asthma strikes a former beauty queen.

star 8.00
2 votes