Kampung Kuantan, a sleepy hollow in Kuala Selangor, 75 km north of the capital, is famed for its firefly "show": thousands of the winged beetles appear each night along the Selangor River, flashing their glowing tails.

CNN: ASIANOW - TIME Asia | Travel Watch

Using Firefly again as an example, the biggest impediment stopping that show from returning in some form is the fact that many of its lead actors are starring in their own popular projects right now, Nathan Fillion in Castle, Morena Baccarin in Homeland, and so on.

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Viewership declines, sometimes before a show has an opportunity to catch on, as with the often-discussed "Firefly" or the more recent "Last Resort, " which struggled to find the hook that would keep audiences coming back.

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