New Doctor Who Companion REVEALED - Introducing Pearl Mackie

Subscribe now for more Doctor Who: http://bit.ly/1aP6Fo9 The new Doctor Who companion is finally revealed - Introducing Pearl Mackie as Bill. The Doctor (Peter Capaldi) is an alien Time Lord from the planet Gallifrey who travels through all of time and space in his TARDIS with his companion. Instead of dying, the Doctor is able to "regenerate" into a new body, taking on a new personality with each regeneration. Twitter: http://www.twitter.com/doctorwho_bbca Facebook: http://www.facebook.com/bbcamerica Tumblr: http://doctorwho.tumblr.com Instagram: http://instagram.com/doctorwho_bbca Snapchat: http://snapchat.com/add/bbcamerica_tv More: http://www.bbcamerica.com/shows/doctor-who