The citizens of a small Kansas town panic when a nuclear mushroom cloud appears on the horizon, leaving them isolated from the outside world.

Season 1, Episode 3 Four Horsemen

First Aired: October 4, 2006

The rain stops and people emerge from hiding as rumors of a tank battalion traveling west spread through the community. Some of the townsfolk decide to leave Jericho, and a cryptic snippet of a broadcast causes worry. Later, Jake makes a discovery that may reveal clues as to what happened.

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