Complications arise with the antidote NorBAC created to save the National Guards, causing them...

Jill fights for her life in hospital as her condition begins to worsen, unaware her symptoms...

News breaks that mutant fish have been sighted on the East Coast, and despite David's...

The team speculates that the spate of suicides in Arkansas was caused by a chemical released by...

NorBAC is called in to investigate a spate of suicides in Arkansas, and David explores a secret...

Mexico City is threatened by a dangerous cloud of sulphuric acid, and two brothers come under...

As the clash between the US and Cuba reaches boiling point, Jill defends her work on the...

A Cuban scientist helps Carlos and David examine a claim that one of her exiled countrymen...

Work on Jill's revolutionary treatment for juvenile diabetes is put on hold when she discovers...

David is led into the New York subway tunnels while pursuing a thief who stole his bag, and...

While Carlos continues to search for Patient Zero in Africa, David and the rest of the team try...

David tries to save a mother and her unborn child by searching for a way to combat a...

While on self-imposed exile to China, David is kidnapped by the People's Liberation Army and...