I was just on the BBC2 website and saw this... BBC - Drama - Heroes - Heroes Unmasked

NEXT TIME: 'Sets and the City'
Heroes is set in New York, Tokyo, Las Vegas, Madras, but in reality, they have never left LA. This week we talk to the location managers, set designers and graphics experts to find out how.
Wednesday 24 October, 9.45pm

Just thought I'd mention it in case anyone was looking for inspiration.