A Time of Heroes, Doctor Who’s New Companion Extols His Virtues and Dangers in Series 10 Teaser

In the teaser trailer for the tenth series of the long running BBC show Doctor Who, new companion Bill Potts (Pearl Mackie) extols the virtues and the dangers of the beloved Time Lord, while admitting that she loves it all. The series returns to both on BBC One and BBC America on April 15, 2017 .