ReGenesis

Bob is put into a medically-induced coma to reduce the risk of infection resulting from the brain surgery he received at the end of last season.

David returns to Mexico to find Carlos and to deal with the drug-resistant TB strain that has been killing the Zapatista rebels

As if being HIV positive wasn't enough, Wes is accidentally scratched by a needle tainted with a genetically-engineered, virulent strain of Hepatitis C.

Bob is haunted by memories of his time at Roth's secret lab.

After an experimental treatment for Hep C nearly kills him, Wes quits NorBAC to enroll in a revolutionary HCV program in Stockholm.

A pharmaceutical company comes under fire when its newly-marketed immune suppressing drug triggers a high incidence of congestive heart failure.

Bob finally tracks down Nina but makes a gruesome discovery at Roth's lab that suggests an experiment on Nina is about to go terribly wrong.

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

Disregarding procedure, David hires his new lover, Enuka.

Forensic evidence in the case of a young boy's murder leads the NorBAC team to investigate the existence of a prehistoric creature.

Roth has given the world's most powerful leaders the stem cell treatment that Bob has discovered leads to violent paranoia.

David is more determined than ever to stop the birth of the first human clone after he has a chilling glimpse into the future.