Season 4

Burning Desire — Spanish fly, blister beetle

Cold Fire — White phosphorus

Killer Candy — Licorice

Breathing Fire — Gas (hydrocarbon)

Poisoned by Paleontology — Curare

Locked In — Neuroleptic Malignant Syndrome

The Last Supper — Amanita mushroom

The Quiet Baby — Infant Botulism

Sublimation — Dry ice (Carbon Dioxide)

Sweet — Mad Honey

Season 3

Hot Water — Magnesium

Fermentation — Autobrewery

Fumigation — Sulfuryl Fluoride

Bad Advice — Bromide

Adulteration — Medetomidine

Blue Mood 2 — Serotonin syndrome

Blue Mood — Serotonin syndrome

Abyssinian Tea — Khat

Fresh Air — Poppers

Hemorrhage Part 2 — Rat poison superwarfarin

Hemorrhage — Rat poison superwarfarin

Pumped — Clenbuterol

Hitchhiker — Scorpion

Sudden Death — Cyanide

Hooch — Botulism

Bitter Brew — Ayahuasca

Something Stinks — Scombroid

Decay Part 2 — Polonium radiation

Decay — Polonium radiation

Burn — Hydrofluoric Acid

Arctic — Vitamin A

Bitten — Black widow spider

Hangover — Alcohol withdrawal

Season 2

Blizzard — Carbon Monoxide

Winter Holiday Special — Poinsettias, Holly berries, button batteries, alcohol, huffing

Amnesia — Domoic Acid

Out of This World — Nitrous Oxide

Halloween Haunted House — Diethylene Glycol (DEG)

Bad Seed — Ricin

Hazardous Hike — Hemlock

Pill Paradox — Acetaminophen (Tylenol)

Temptation — Rattlesnake

Part 2 Murder and Medicine — Arsenic

Murder and Medicine — Arsenic

Electric — Ecstasy

Knockdown — Hydrogen Sulfide

Miasma — Vaping

Rivalry Gone Awry — Tetramine

Fire in the Rain — Ergot

Perilous Waters — Box jellyfish

Therapeutic Misadventures — Aspirin

Culinary Catastrophe — Strychnine

Gas Station Herbals — Kratom & Kava

Desensitized — Bupivacaine

Explosive Heat — Dinitrophenol

Nobody Home — Ketamine

Season 1

Poisonous Panacea — Colchicine

White Lightning — Methanol

Deadly Delivery — Body packing

Mad as a Hatter — Mercury

Loco — Jimsonweed

Deadly Breath = Sudden Death — Huffing

The Hollywood Shaman — Kambo

The New Guy — Novichok

Three Little Steps — Aldicarb

The Hazardous Holiday — Tetrodotoxin

The Grim Reaper — Fentanyl

Poison Gas -- The Moscow Theater Hostage Crisis — Fentanyl derivative

Black Market Butt Lifts — Silicone

Toxic Tea — Aconitine

The Poisoner's Poison — Thallium

Love Hurts — Bufadienolides