Doctor Who is very much a part of British popular culture, and the Doctor has become a British icon. Nevertheless, thanks to BBC America as well as the Doctor's recent visits to the U.S., the series is becoming more susceptible to an 'American influence.' Doctor Who and recent spinoffs Torchwood and The Sarah Jane Adventures offer American audiences very different insights into the Whoniverse and have met with varying degrees of success. Plus, the radio dramas, audiobooks, comics, and novels giv.