详细介绍：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 d. ..详情