https://www.radiotimes.com/tv/sci-fi/pearl-mackie-teases-emotional-and-exciting-doctor-who-christmas-special-and-says-never-say-never-to-a-return-for-bill/
"Have a box of tissues close at hand," warns the actor who plays departing companion Bill Potts - but is this the last we've seen of her?
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https://www.radiotimes.com/tv/sci-fi/new-doctor-who-companions-prince-t-shirt-was-just-a-very-weird-coincidence/
Pearl Mackie's introductory scene was shot over a week before Prince died - but was it her idea to wear the t-shirt?
new doctorpearl mackiecompanionprincefan