Premise: 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 other authorities who are familiar with each story, leads the scientific discussion about the parasites.
S06, E02 (First Aired: Oct. 29, 2015)
A mysterious infection brings a tough athlete to his knees, a teenager contracts a feared disease, and a woman's brain is practically set on fire.
S04, E10 (First Aired: Dec. 18, 2013)
Three holiday celebrations and infections; Colorado couple bring home flesh eating parasite; Virginia man's heart is being eaten; Arizona photographer has emergency surgery on Christmas Eve.