Survivors

Crusade is an American spin-off TV show from J. Michael Straczynski's Babylon 5. Its plot is set in AD 2267, five years after the events of Babylon 5, and just after the movie A Call to Arms. The Drakh have released a nanovirus plague on Earth, which will destroy all life on Earth within five years if it is not stopped. To that end, the Victory class destroyer Excalibur has been sent out to look for anything that could help the search for a cure.

An elite team of medical experts of the National Institutes of Health investigates unusual public-health crises, such as sudden outbreaks of serious and mysterious diseases.

Plague decimates late 16th century Seville, a crowded city where many have arrived to embark for the New World to seek their fortune.

Survivors is a British post-apocalyptic fiction television series devised by Terry Nation and produced by Terence Dudley at the BBC from 1975 to 1977. It concerns the plight of a group of people who have survived an accidentally released plague – referred to as "The Death" – that kills nearly the entire human population of the planet.

A plague has fallen over Los Angeles, turning the sky black and leaving death in its wake. Only 13 survive. No one knows how it happened. No one knows why it happened...