Prison escapees kidnap Taft to diagnose and treat their sick leader.
Hailey experiences painful memories when he returns to Detroit, his hometown, to battle an unusual strain of cholera.
When neighbors get sick, the team suspects a government installation of having a hazardous-chemical leak.
Taft searches for the source of a flesh-eating bacteria and tries to save his stricken nephew.
Herbal diet users experience life-threatening symptoms; the team suspects foul play.
Unusual symptoms from a water-borne parasite plague several people, including a medical student.
The team studies cases of catastrophic bone demineralization; Hailey falls for a rock star.
Cassian enlists a new doctor to the team to investigate a deadly brain tumor.
The team must fight white supremacists when they operate on a former member of Hitler's SS.
The team must uncover the identity of a serial killer who kidnapped Shiroma.
A bio-terrorist contaminates the blood supply in Orlando, Fla., with a deadly form of malaria and kidnaps the director of the blood bank.
The team infiltrates a self-proclaimed healer's compound to rescue Cassian's sick niece.
As Cassian faces death, the team searches for an antidote to a deadly virus the scientist discovered years earlier with his lover.
The team researches a program using death-row inmates to bring back messages from the other side.
The team battles the in-flight outbreak of a deadly virus during the trip home from a small island country.
A high-school boy's death by spontaneous combustion leads the team to a pharmaceutical company.
The team searches for the cause of deadly, violent acts occurring at a traveling religious festival.
The biological-crisis team goes to Chicago where a skyscraper's occupants hallucinate and commit suicide.
Government scientists cooperate to fight a deadly virus; with Jeffrey Dean Morgan; Tamlyn Tomita; James Black.