Watch DOCTOR WHO’s Eleventh Doctor MATT SMITH finally get to walk the floor at San Diego Comic-Con – secretly disguised as Bart Simpson! Will anyone recognize him as he chats with unsuspecting fans, poses for pictures and tours the booths? Subscribe for more exclusive DOCTOR WHO videos on BBC America’s YouTube Channel: http://www.youtube.com/subscription_center?add_user=bbcamericatv And be sure to follow: http://doctorwho.tumblr.com https://twitter.com/doctorwho_bbca http://bbcamerica.com/doctorwho