Played by Pearl Mackie
Tenure 15 April 2017 to present
First appearance The Pilot
Number of series TBA
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Bill Potts was a companion of the Twelfth Doctor. Her mother died when she was young, so she was brought up by a foster mother called Moira.
Later in life, Bill served chips at St Luke’s University in Bristol, and attended the Doctor’s lectures. Noticing this, he became her personal tutor. Another student, Heather, showed her a puddle that cast a reversed reflection. Bill asked Heather not to leave without her. As a result, when Heather was taken over by the puddle, she followed Bill home, so as not to leave without her.
Bill went to the Doctor, who brought her into the >TARDIS. He tried to outrun the creature, and finally travelled to the Dalek-Movellan War. Bill realised she was being pursued as Heather had promised not to leave without her. On the Doctor’s advice, she released Heather from her promise.
The Doctor took her back to the university, intending to wipe her memory of these events, but he was convinced not to. He then agreed to take Bill with him on his travels. (The Pilot)
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