The second of Channel 4's Electric Dreams TV dramas is an adaptation of Philip K. Dick's short story The Impossible Planet. In a distant, space opera future two cynical intergalactic tour guides, Brian Norton and Ed Andrews, take parties of human tourists on cruises to see the most beautiful sights in the Universe - secretly editing the sights and sounds to make them more dramatic. When an elderly woman knocks on their office door accompanied by her personal robot and a suitcase full of cash, asking for a private tour of Earth, Norton and Andrews know that they can't really do this - after all, Earth was vaporized centuries earlier. But she is persistent, and able to pay cash. Perhaps there's a way they can grant her wish after all... The Impossible Planet is slightly reminiscent in places of The Hitch-Hiker's Guide or a good episode of Doctor Who. It's just as inventive and darkly funny. However that's as far as it goes in terms of comparison. Amazingly, th...