The BEST episodes of Monsters Inside Me

Every episode of Monsters Inside Me ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of 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.

Last Updated: 2/11/2024Network: Animal PlanetStatus: Ended
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My Husband Is Hallucinating
star
9.00
2 votes

#1 - My Husband Is Hallucinating

Season 4 - Episode 5 - Aired 10/25/2013

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.

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Something Is Eating My Baby
star
8.80
51 votes

#2 - Something Is Eating My Baby

Season 8 - Episode 6 - Aired 11/12/2017

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

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Shape Shifters
star
8.68
44 votes

#3 - Shape Shifters

Season 2 - Episode 10 - Aired 8/25/2010

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.

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My Christmas From Hell
star
8.57
7 votes

#4 - My Christmas From Hell

Season 4 - Episode 9 - Aired 12/18/2013

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.

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A Holiday in the Hospital
star
8.57
7 votes

#5 - A Holiday in the Hospital

Season 5 - Episode 7 - Aired 12/4/2014

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.

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Vampire Parasites Attack
star
8.57
7 votes

#6 - Vampire Parasites Attack

Season 5 - Episode 6 - Aired 11/20/2014

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.

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An Amoeba is Eating My Brain
star
8.44
9 votes

#7 - An Amoeba is Eating My Brain

Season 6 - Episode 6 - Aired 11/19/2015

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.

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Stowaways
star
8.39
46 votes

#8 - Stowaways

Season 2 - Episode 6 - Aired 7/28/2010

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.

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Lurkers
star
8.37
52 votes

#9 - Lurkers

Season 2 - Episode 4 - Aired 7/7/2010

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.

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My Body Is Rotting
star
8.36
11 votes

#10 - My Body Is Rotting

Season 5 - Episode 8 - Aired 12/11/2014

Trouble is lurking in the bodies of three different women. In rural Washington State, a teenager's shoulder pain leads to her being quarantined in a matter of days. If doctors can't determine what's attacking her, she'll die.

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A Menace in My Own Backyard
star
8.31
13 votes

#11 - A Menace in My Own Backyard

Season 5 - Episode 3 - Aired 10/23/2014

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.

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There's a Fungus in My What!?!
star
8.30
10 votes

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

Season 6 - Episode 4 - Aired 11/5/2015

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.

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My Vacation from Hell
star
8.29
14 votes

#13 - My Vacation from Hell

Season 6 - Episode 3 - Aired 11/5/2015

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.

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West Nile Attack
star
8.27
11 votes

#14 - West Nile Attack

Season 5 - Episode 2 - Aired 10/16/2014

When three unsuspecting young families are thrown into a tailspin, they are shocked to learn of the tiny culprits wreaking havoc on their lives. First, a married couple in California watch helplessly as their son struggles for every last breath.

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The Killer in the Lake
star
8.27
11 votes

#15 - The Killer in the Lake

Season 5 - Episode 4 - Aired 11/6/2014

Disaster befalls three individuals who are suddenly living their worst nightmares. A contractor suffers a bump on his head while he is working, but days later, he finds himself in the ICU fighting for his life with something in his brain.

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My Brain Has Been Hijacked
star
8.25
4 votes

#16 - My Brain Has Been Hijacked

Season 3 - Episode 8 - Aired 11/23/2012

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.

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A Deadly Swim
star
8.25
8 votes

#17 - A Deadly Swim

Season 4 - Episode 8 - Aired 12/18/2013

Three families enjoy the bounties of nature, and all of them suffer its wrath. A young girl's love of swimming comes back to haunt her when she develops severe headaches, nausea, and a bizarre rash all over her body. The cause sends everyone reeling.

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The Monster in My Mouth
star
8.24
49 votes

#18 - The Monster in My Mouth

Season 8 - Episode 4 - Aired 10/29/2017

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

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Holiday from Hell
star
8.24
21 votes

#19 - Holiday from Hell

Season 7 - Episode 7 - Aired 12/15/2016

A Christmas baby is born and doctors find her brain was infected in utero.

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I Almost Killed My Baby
star
8.22
9 votes

#20 - I Almost Killed My Baby

Season 4 - Episode 10 - Aired 12/18/2013

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?

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There's a Maggot in My Head
star
8.21
52 votes

#21 - There's a Maggot in My Head

Season 8 - Episode 5 - Aired 11/5/2017

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

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The Brain Colonizer
star
8.20
10 votes

#22 - The Brain Colonizer

Season 5 - Episode 9 - Aired 12/11/2014

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.

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Braced for Death
star
8.18
51 votes

#23 - Braced for Death

Season 8 - Episode 7 - Aired 11/19/2017

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

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Help! My Son is a Leper
star
8.11
18 votes

#24 - Help! My Son is a Leper

Season 6 - Episode 2 - Aired 10/29/2015

An athlete gets headaches, stomach pains, breathing difficulties, and a liver mass from entamoeba histolytica; a teenager develops a leg welt and then gets fatigue and red spots on his body over the course of several years. When the spots open, the doctors discover he has leprosy; a woman suffers severe headaches, nausea, vomiting, and seizures from E. rostratum.

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The Backyard Killer
star
8.11
9 votes

#25 - The Backyard Killer

Season 6 - Episode 8 - Aired 12/10/2015

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.

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