Next episode: S9E1 “What's Feeding on You?” airs on Discovery
These days, we're faced with the atrocious fear of viruses like Ebola because we've seen it cross our borders. But there's more than Ebola out there. Prepare to be shocked, disgusted and afraid... very, very afraid. An organism could be inside you, feeding on you or infecting you at this very moment! A parasitic, bacterial, viral or fungal attack is like a tumultuous roller coaster within the body that can take terrifying - sometimes deadly - twists and turns. Host/biologist Dan Riskin provides scientific perspective throughout this 10-part series that vividly recounts the stories of people tormented by sinister creatures that have invaded their bodies.
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| Season 92 | ||||
|---|---|---|---|---|
| E1 | What's Feeding on You? | Next Episode | — | |
| E2 | The Beach, the Bug and the Bite | Upcoming | — | |
| Season 812 | ||||
| E1 | Help! I'm Being Eaten Alive | Aired | — | |
| E2 | My Brain Is Under Attack | Aired | — | |
| E3 | My Second Brain Is Killing Me | Aired | — | |
| E4 | The Monster In My Mouth | Aired | — | |
| E5 | There's a Maggot in My Head | Aired | — | |
| E6 | Something Is Eating My Baby | Aired | — | |
| E7 | Braced for Death | Aired | — | |
| E8 | I Can't Stop Coughing Up Blood | Aired | — | |
| E9 | The Organ Shredder | Aired | — | |
| E10 | My Lungs Are Rotting | Aired | — | |
| E11 | All I Got for Christmas | Aired | — | |
| E12 | There Are Twigs In My Urine | Previous | — | |
| Season 77 | ||||
| E1 | Backyard Killers | Aired | — | |
| E2 | I Have a What in My What? | Aired | — | |
| E3 | There's Something Living in My Hand! | Aired | — | |
| E4 | My Wife is Rotting | Aired | — | |
| E5 | My Hands Are Falling Off | Aired | — | |
| E6 | My Evil Twin is Driving Me Crazy | Aired | — | |
| E7 | Holiday From Hell | Aired | — | |
| Season 610 | ||||
| E1 | There's Something Living in My Knee?! | Aired | — | |
| E2 | Help! My Son is a Leper | Aired | — | |
| E3 | My Vacation from Hell | Aired | — | |
| E4 | There's a Fungus in My What!?! | Aired | — | |
| E5 | Worms Are Eating My Lungs | Aired | — | |
| E6 | An Amoeba is Eating My Brain | Aired | — | |
| E7 | The Eyeball Eater | Aired | — | |
| E8 | The Backyard Killer | Aired | — | |
| E9 | All I Got for Christmas is Brain Surgery | Aired | — | |
| E10 | They Hijacked My Eyeball | Aired | — | |
| Season 510 | ||||
| E1 | My Daughter's Going Crazy | Aired | — | |
| E2 | West Nile Attack | Aired | — | |
| E3 | A Menace in My Own Backyard | Aired | — | |
| E4 | The Killer in the Lake | Aired | — | |
| E5 | There's a Worm Crawling in My What? | Aired | — | |
| E6 | Vampire Parasites Attack | Aired | — | |
| E7 | A Holiday in the Hospital | Aired | — | |
| E8 | My Body is Rotting | Aired | — | |
| E9 | The Brain Colonizer | Aired | — | |
| E10 | I Smell Like Death | Aired | — | |
| Season 410 | ||||
| E1 | The Flesh-Eating Monster | Aired | — | |
| E2 | There's a Worm in My Eye | Aired | — | |
| E3 | Choosing Between Life and Limb | Aired | — | |
| E4 | It Came from a Tick... | Aired | — | |
| E5 | My Husband is Hallucinating | Aired | — | |
| E6 | Dying Abroad | Aired | — | |
| E7 | Maggots Are Eating Me Alive | Aired | — | |
| E8 | A Deadly Swim | Aired | — | |
| E9 | My Christmas from Hell | Aired | — | |
| E10 | I Almost Killed My Baby | Aired | — | |
| Season 310 | ||||
| E1 | My Child Will Only Eat Cat Food | Aired | — | |
| E2 | Something's Eating My Son Inside Out | Aired | — | |
| E3 | My Face-Eating Parasite | Aired | — | |
| E4 | My Daughter is Losing Her Mind | Aired | — | |
| E5 | Something's Eating My Dreams | Aired | — | |
| E6 | A Monster's Taking My Baby | Aired | — | |
| E7 | I Coughed Up Worms! | Aired | — | |
| E8 | My Brain Has Been Hijacked | Aired | — | |
| E9 | You Left What Inside Me? | Aired | — | |
| E10 | Killer in My Neck | Aired | — | |
| Season 210 | ||||
| E1 | Suicide Attackers | Aired | — | |
| E2 | Feeding Frenzy | Aired | — | |
| E3 | Cold Blooded Killers | Aired | — | |
| E4 | Lurkers | Aired | — | |
| E5 | Flesh Eaters | Aired | — | |
| E6 | Stowaways | Aired | — | |
| E7 | Breeders | Aired | — | |
| E8 | Double Agents | Aired | — | |
| E9 | Homegrown Enemies | Aired | — | |
| E10 | Shape Shifters | Aired | — | |
| Season 16 | ||||
| E1 | Sleeper Cells | Aired | — | |
| E2 | Outbreak | Aired | — | |
| E3 | Sex Maniacs | Aired | — | |
| E4 | Masters of Disguise | Aired | — | |
| E5 | Hijackers | Aired | — | |
| E6 | Living with the Enemy | Aired | — | |
These days, we're faced with the atrocious fear of viruses like Ebola because we've seen it cross our borders. But there's more than Ebola out there. Prepare to be shocked, disgusted and afraid... very, very afraid. An organism could be inside you, feeding on you or infecting you at this very moment! A parasitic, bacterial, viral or fungal attack is like a tumultuous roller coaster within the body that can take terrifying - sometimes deadly - twists and turns. Host/biologist Dan Riskin provides scientific perspective throughout this 10-part series that vividly recounts the stories of people tormented by sinister creatures that have invaded their bodies.
S9E1 "What's Feeding on You?" airs Wed, Nov 11, 2026 on Discovery.
2 episodes of Season 9 have been announced so far. New episodes every Wednesday.
The last announced episode of Season 9 (S9E2) airs Wed, Nov 18, 2026. More episodes may still be added.
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