Oh ye of little faith and fewer posts - - -
Jon Turtletaub (producer, director) confirmed just 2 days ago in his interview with IF Magazine, that a full feature Jericho movie is in the works. Original cast will be involved. He also stated that if viewership was good on the CW channel, a season 3 was a possibility. This news has flashed all over the Jericho forums.
CW airs Jericho reruns on Sunday nights at 7 pm EST. They have a small board on the CW.
The Rangers have the current campaign plans for a season 3 on the UHD Universal boards.