All the World's a Soundstage: In Praise of Studio-Bound Alien Worlds

io9.com: Quick, what's the first thing you noticed about the planet we visited in last night's Doctor Who special? That's right: It was a soundstage.* None of Matt Smith's final hour was filmed in a real location. Alien worlds used to be filmed in the studio more often — here's why we miss visiting Planet Soundstage.