Season 4

March 16, 2008

As if being HIV positive wasn't enough, Wes is infected accidentally with a needle full of Hepatitis C.

March 23, 2008

Bob continues to be haunted by memories of his time at Roth's secret lab; Wes insists that Rachel inject him with a highly experimental mutant red blood cells to fight the virulent Hep C; a mysterious disease that's causing brain inflammation in a small town appears to be contagious.

March 30, 2008

After an experimental treatment for Hep C nearly kills him, Wes quits NorBAC to enroll in a cutting edge HCV program in Stockholm; a racist city councilor claims his daughter was poisoned by Muslim extremists; the FDA is willing to fast-track some drugs in order to save an immune-deficient woman who was infected with smallpox.

April 6, 2008

NorBAC investigates a mysterious outbreak that is hospitalizing cyclists on the course of the Tour Cyclo Quebec. Meanwhile, Bob embarks on a controversial hyperbaric chamber treatment to deal with his brain infection and memory loss.

April 13, 2008

A pharmaceutical company comes under fire when its newly-marketed immune suppressing drug triggers a high incidence of congestive heart failure; David attempts to find a replacement for Wes; Bob suffers a seizure that triggers romantic memories of a girl named Nina.

April 20, 2008

Bob finally tracks down Nina, but on a visit back to Roth's lab he makes a gruesome discovery that suggests the experiment on Nina is about to go terribly wrong; the team investigates unusual crow attacks that appear to be targeting military airports.

April 27, 2008

A terrorist cell infiltrates the NorBAC lab and forces the scientists to produce a deadly measles mutation to be used as chemical warfare.

May 4, 2008

David ignores protocol and hires his new lover, Enuka; Mayko is contacted by the parents of a sick child who believe she's the only one that can help.

May 11, 2008

When a young boy is murdered, forensic evidence leads the NorBAC team to investigate the unlikely existence of a prehistoric cat that disappeared from North America 10,000 years ago; a dramatic development complicates NorBAC's plans to deactivate Nina's Jacobson's organ.

May 18, 2008

David discovers that Roth has given the world's most powerful leaders the stem cell treatment that he now knows leads to violent paranoia; while investigating a mysterious outbreak in Moldova, Carlos uncovers a horrific act of atrocity.

May 25, 2008

Season 4 finale. A glimpse into the future renews David's determination to stop the birth of the first human clone.