Doctor Who: The Eaters of Light Season 10, Ep 10
A hunt for the lost Ninth Roman Legion leads the Doctor, Bill, and Nardole into the middle of an ancient battle that could cast humanity into the dark forever.
Doctor Who: The Pilot Season 10, Ep 1
The Doctor and Nardole have occupied themselves under the guise of a university professor and assistant. Bill Potts is called to the Doctor's office, where Bill becomes the Doctor's student. [more inside]