The upcoming festive special will see the return of one of the Doctor's biggest and most feared enemies - the Daleks. The Doctor is locked away in a high-security alien prison. Isolated, alone, with no hope of escape. Far away, on Earth, her best friends, Yaz, Ryan and Graham have to pick up their lives without her. But it's not easy. Old habits die hard. Especially when they discover a disturbing plan forming. A plan which involves a Dalek.神秘博士元旦(🚀)特辑：戴立克(😌)的革命神秘博士元(🥈)旦特辑：戴立(🖍)克的革命神秘博(⛷)士元旦(🍁)特辑：戴立克的(🔏)革命