This week's news that networks are turning to Americanized foreign series to save cash? Here's your primo example of how this could be either genius or a disaster: Fox is picking up Hole in the Wall, the hugely popular Japanese "human Tetris" game show, where contestants must bend themselves into shapes to fit through a wall cut-out, or get forced into a pool. Its United States arrival, however, isn't too much of a stretch; Hole is already broadcast in 16 regions, including Australia, Russia and Denmark. (ABC, meanwhile, is picking up obstacle course series Wipeout, a take-off on Japans 1980s show Takeshi's Castle.)

So how to tell whether this show is going to take off in the U.S.? YouTube clips of the show have been viewed millions of times. Each.