Season 2 Episode
- Season 1 Tracking a Killer
- Season 1 Tainted Blood
- Season 1 New Epidemic
- Season 1 Invisible Threat
- Season 1 Summer Exposure
- Season 1 Unlikely Source
- Season 1 Island Fever
- Season 1 Home Invasion
- Season 1 Sudden Death
- Season 1 Toxic Exposure
- Season 1 Deadly Spores
- Season 1 Dangerous Catch
- Season 1 Flesh Eater
Diagnosis: Unknown - Season 1 Episode 12 Dangerous Catch
10.00 48 minutes In 1993, aquatic researcher Joanne Burkholder suffers an array of troubling symptoms while working in her North Carolina State University lab. A fellow researcher confides that he has recently been plagued by bizarre medical problems including memory loss, confusion, numbness and a burning sensation on the skin, symptoms identical to Burkholder's.
