Breeders

- Swat - Steve Everitt (episode intro)

- Piano Steps - Mark Russell (show intro)

- Brassaville - Steve Everitt ("A parasite is an organism that lives in or on another living creature called a host.")

- No Respect - Jean-François Morin, Nicolas Mizrachi [Cezame Music Agency] ("All organisms need to breed, and parasites are no different.")

CASE 1

- Montage (Under) - Gregg Lehrman, Ryan Scott (2005, Hardy, Arkansas)

- The 8th Deadly Sin [Prolog] - Ralv Gielen (Kenny wakes up with blurry vision/Kenny's mother Dianna doesn't believe him)

- Shocking Moment - Florian Moser (Kenny attempts to head to the bus stop)

- Crime Race - Alex Kharlamov, Lennie Moore (Kenny returns to the house)

- Psycho 32 - Bernhard Hering, Martin Wester, Matthias Kruger [UBM Music] (Kenny breaks down crying)

- Aliens Crush Man - Bill Brown (Dianna makes an appointment with their family optometrist)

- ? (Kenny's eyeball is filled with blood)

- The Fear Within - Guy Skornik, Elisabeth Skornik [Cezame Music Agency] (Dr. Jerry Ellis breaks the news to Kenny and his mother)

- Mashed Drum Soup - Juan Sanchez [Vibey Library] (Dr. Ellis says there's a retinal specialist in Memphis that can help)

- Smash Palace - James Jacobsen, Parthenon Huxley (Dianna and Kenny rush to Memphis)

- War Torn - Brad Smith (they arrive at Hamilton Eye Institute/enter Dr. Steve Charles)

- Psycho 28 - Bernhard Hering, Martin Wester, Matthias Kruger [UBM Music] (patchwork of white lines on Kenny's eye)

- Thunder Drums - Billy Lincoln (ocular myiasis)

- Spooky Danger - Daniel Backes, Peter Moslener (maggot living in Kenny's eyeball)

- Chased By Evil - Robert Bennett (Kenny needs surgery)

- Full Impact - Dusty Grey, William Smith ("16-year-old Kenny Watson has a live maggot in his eye.")

- Bloodlines - Lee Groves, Peter Marett (Kenny prepared for surgery)

- Thunder Drums - Billy Lincoln (Dr. Charles struggles to locate the maggot)

- No Hope - Brad Smith (Dr. Charles removes the maggot)

- Lonely Riding - Daniel Backes, Peter Moslener [UBM Music] (Kenny wakes up in the recovery room)

- Full Impact - Dusty Grey, William Smith (life cycle of the maggot that invaded Kenny's eye)

- Under Pressure - Brad Smith (Kenny recalls getting a fly in his eye)

- Lovers Remain (Underscore) - Alejandro Saldarriaga-Valencia, Guillermo De La Barreda, Nicolas Barry, Rene Garza, Tomas Jacobi (Kenny now wears glasses)

- The Stabbing - Scott Marcussen (maggots rarely infect humans in the U.S.)

CASE 2

- All in the Round - Mark Sayer-Wade (Roselle, New Jersey)

- Cymbol - Mark Hawkins (Ana sees Francisco collapsed on the couch)

- Dark 5 - Bernhard Hering, Martin Wester, Matthias Kruger (Francisco tells Ana he's having lower-back and leg pains)

- Time Critical - Takeshi Furukawa (Francisco sees a chiropractor/pain continues to get worse)

- Razor Sharp - Billy Conrad, Sam Keaton (C.T. scan reveals a grapefruit-sized mass)

- Full Impact - Dusty Grey, William Smith ("Ana Moura has just received the terrifying news that her husband Francisco has a mass the size of a grapefruit on his pelvis.")

- Far Off - Brad Smith (Ana tries to be strong)

- Distant Harp - Daniel Backes, Peter Moslener [UBM Music] (Ana and Francisco break the news to their daughters)

- The Search - Terry Devine-King [Audio Network] (tumor may not be life-threatening)

- Aliens Crush Man - Bill Brown (Francisco continues to get worse)

- Bloodlines - Lee Groves, Peter Marett (Francisco can't even walk)

- Fade to Black - Daniel Backes, Peter Moslener [UBM Music] (Francisco calls Ana that he can't even go to the bathroom)

- Death Star - Nick Ingman, Terry Devine-King [Audio Network] (Ana walks Francisco to the car)

- Fearless - Dan Skinner, Adam Skinner [Audio Network] (pain is so severe morphine doesn't work/doctors decide to remove the tumor)

- Smoke & Mirrors - Steve Martin (Inside the Monster)

- A Harsh Reality - Ronni Shaw ("Francisco Moura has been rushed to the hospital with a tumor that has grown so large, it is blocking his bladder.")

- Enemy at the Gates - Steve Everitt (Francisco taken into surgery/tumor ruptures)

- Grim Countdown - Baxter Poe, Josh Mobley, Stan Hope (enter Dr. Christina Coyle)

- Fearless - Dan Skinner, Adam Skinner [Audio Network] ("I am out of words.")

- Grave Danger - Takeshi Furukawa (echinococcus granulosus)

- Toxic Element - Arnaud Rozenblat, Daniel Finot [Cezame Music Agency] (removing the cyst is impossible)

- Unanswered Truth - Robert Bennett (how did the parasite get inside Francisco?)

- Atomic Reaction - Denis Levaillant (life cycle of the echinococcus parasite)

- From the Shadows - Guy Skornik, Elisabeth Skornik [Cezame Music Agency] (Francisco grew up in rural Portugal/Francisco likely got the parasite as a child)

- Bits of Remembrance - Kurt Oldman (Francisco slowly recovers)

- The Beauty of It All - Steve Everitt (Francisco is able to dance with his daughter at her sweet 16)

- A Harsh Reality - Ronni Shaw (echinococcus is uncommon in the U.S.)

- Endless Dunes - Daniel Backes, Peter Moslener ("While echinococcus infection is uncommon, other parasites are much harder to avoid.")

CASE 3

- Deep Dive - Manuel Saxinger, Thomas Suessmair (1995, Perkiomenville, Pennsylvania)

- Fade to Black - Daniel Backes, Peter Moslener [UBM Music] (Stephanie's stomach starts to hurt)

- Dead Air - Scott Marcussen ("9-year-old Stephanie Haring is on her way to school when she begins to suffer from excruciating stomach pains.")

- Threatening Thoughts - Florian Moser (Stephanie lays on the couch)

- Flashbax - Brad Smith (three days later, at school, Stephanie's stomach bothers her again)

- The Hideout - Brad Smith (Nancy gets a call from the school nurse)

- Distant Spaces - Daniel Backes, Peter Moslener [UBM Music] (Stephanie pulled out of school)

- Darkness in the Alley - Scott Marcussen; Exiled - Andrew Blaney (pain becomes unbearable)

- Accidental Hero - Dusty Grey, William Smith (Nancy still hopes that Stephanie just has a stomach bug)

- Battleground - Brad Smith (Nancy and Stephanie go to the doctor)

- Spooky Danger - Daniel Backes, Peter Moslener (Nancy and Stephanie head home)

- Finding the Formula - Brad Smith (phone rings)

- Lethal Injection - Oliver Ledbury [Audio Network] (doctor tells Nancy to bring Stephanie back)

- Identity Theft - Takeshi Furukawa ("Doctors think they have finally diagnosed the cause of Stephanie Haring's crippling stomach pains.")

- Lost in Thought - Bob Bradley [Audio Network] (Nancy starts to feel bad)

- Behind You - Ralv Gielen (Stephanie and Nancy wait anxiously for the results)

- Accidental Hero - Dusty Grey, William Smith (giardia lamblia)

- Gargoyle - Brad Smith (Stephanie is stunned)

- The Calling - Guy Skornik, Elisabeth Skornik [Cezame Music Agency] ("I'm just...totally blown away by it."/Stephanie prescribed drugs)

- A Harsh Reality - Ronni Shaw (life cycle of the giardia parasite)

- Killers Breath - Guy Skornik, Elisabeth Skornik [Cezame Music Agency] (Stephanie recalls playing near a creek)

- Bits of Remembrance - Kurt Oldman (Stephanie recovers)

- Endless Dunes - Daniel Backes, Peter Moslener (giardia is one of the most common waterborne parasites in the United States/how to avoid giardia)

- The Search Continues - Terry-Devine King [Audio Network] ("Part of the reason a parasite needs a host is because a host is where a parasite is going to reproduce.")

- Smoke & Mirrors - Steve Martin (ending screen)