Rent Jericho: Series 1 (2006)

Jericho is a drama about what happens when a nuclear mushroom cloud suddenly appears on the horizon, plunging the residents of a small, peaceful Kansas town into chaos, leaving them completely isolated and wondering if they're the only Americans left alive. But in this time of crisis, as sensible people become paranoid, personal agendas take over and well-kept secrets threaten to be revealed, some people will find an inner strength they never knew they had and the most unlikely heroes will emerge.