"Jericho" (8 p.m., CBS): Quick, grab the flashlights! Tonight's the night the lights go out in "Jericho" as an electromagnetic pulse brings a blackout to town. Just before everything goes dark, flying

"Jericho" (8 p.m., CBS): Quick, grab the flashlights! Tonight's the night the lights go out in "Jericho" as an electromagnetic pulse brings a blackout to town. Just before everything goes dark, flying missiles are spotted in the sky.
"Lost" (9 p.m., ABC): Jack is shocked to see how far The Others will go to keep him at bay.