Diagnosis: Unknown (2002) | All episodes

Tracking a Killer

Release Date: Sep 26, 2002

Tainted Blood

Release Date: Oct 3, 2002

Unlikely Source

Release Date: Oct 14, 2002

Island Fever

Release Date: Nov 11, 2002

Invisible Threat

Release Date: Nov 15, 2002

New Epidemic

Release Date: Nov 25, 2002

Toxic Exposure

Release Date: Dec 6, 2002

Sudden Death

Release Date: Dec 16, 2002

Summer Exposure

Release Date: Feb 20, 2003

Deadly Spores

Release Date: Feb 28, 2003

Home Invasion

Release Date: Mar 7, 2003

Dangerous Catch

Release Date: Apr 17, 2003

Flesh Eater

Release Date: May 12, 2003