The TARDIS is about to get a new team at the controls, with Ncuti Gatwa's Fifteenth Doctor zipping about through time and space later this month.. At his side? Millie Gibson's Ruby Sunday, the latest in a long line of companions to go adventuring with the Time Lord.
Ahead of the Doctor Who Christmas special, Gibson has teased the unique dynamic between the pair – and it sounds worlds away from the relationship held by previous companions and allies.
