As explained in this column several months ago, Japanese TV often adapts successful programming ideas from abroad. Still, I wouldn't hold my breath waiting for a local version of "Survivor." Reality-based programming is already available in Japan. Years ago, "Denpa Shonen" moved beyond such simplistic ideas as sticking cameras in communal housing and throwing strangers together on a desert island.
In fact, reality-based programming has become so commonplace that it has begun to affect reality itself. At the moment there is a setsuyaku (frugality) boom that has been brought about in part by a popular segment of the otherwise unexceptional comedy-variety show, "Ikinari! Kogane Densetsu" (Asahi; Tue. 7 p.m.).
"Ikinari" is hosted by a young male comedy duo named Cocorico. As with other programs in the "Denpa Shonen" mold, "Ikinari" has no specific premise. It is essentially anything the producers want it to be, and relies a great deal on viewer suggestions.