Pearl Mackie Becomes New 'Doctor Who' Companion Bill - Watch First Promo!

Pearl Mackie has just been revealed as the Doctor’s new companion, Bill, on Doctor Who!

The English actress replaces Clara, played by Jenna Coleman, as the Doctor’s (Peter Capaldi) right hand in the new season of the hit BBC series.

BBC introduced Pearl on social media this morning (April 23), writing, “‘You know the thing you need most of all? You need a hand to hold.’ #DoctorWho #NewCompanion,” before the big reveal.

Check out the sneak peek below where Bill (Mackie) is asking all the questions you’ve ever had about Daleks.