Diagnosis: Unknown (2002) | All episodes

Tracking a Killer

Release Date: 2002-09-26

Tainted Blood

Release Date: 2002-10-03

Unlikely Source

Release Date: 2002-10-14

Island Fever

Release Date: 2002-11-11

Invisible Threat

Release Date: 2002-11-15

New Epidemic

Release Date: 2002-11-25

Toxic Exposure

Release Date: 2002-12-06

Sudden Death

Release Date: 2002-12-16

Summer Exposure

Release Date: 2003-02-20

Deadly Spores

Release Date: 2003-02-28

Home Invasion

Release Date: 2003-03-07

Dangerous Catch

Release Date: 2003-04-17

Flesh Eater

Release Date: 2003-05-12