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.

　　一艘宇宙飞船搭载着三位科学家飞往火星执行科研任务。起飞后，队长意外发现飞船上竟然滞留了一名地面工程师。同时，飞船空气净化系统遭到永久破坏，剩余的氧气只能支持三人存活。谁生，谁死？四人进退两难之际，科研小队的医学家提出了一个危险的求生计划。

　　故事讲述刚离婚不久的格雷格(威尔逊饰)遇到了迷人的伊莎贝尔(海耶克饰)。伊莎贝尔住在大街上，认为这个被污染、破败不堪的世界并不是真实的。她相信这个丑陋的世界是在一个美丽、和平、“真实”的极乐世界的内部。起初格雷格表示怀疑，但他最终发现这个理论很有道理。

　　When a group of marine biologists crash land in the Bermuda Triangle, they realize they have stumbled into the lost city of Atlantis. But they quickly discover the city isn't friendly, and its humanoid inhabitants are planning worldwide domination using the piles of weapons and technology that have fallen through the Triangle over the centuries.

　　改编自D. Eric Maikranz所著小说《转世文献》(The Rein carnationist Papers)，聚焦一个被自己前两世的记忆缠绕的男子，引出一群几乎长生不死、几世纪来多次转生的人，被称为“无限/无穷之人”，他们的组织叫“Cognomina”。为了打败想毁灭地球的邪恶力量，他们必须依靠这个精神分裂的男子，而后者先要搞清楚：他常做的奇怪的梦都是前世的记忆。

　　An isolated town in Alaska where a contamination occurs after a minor meteorite explosion.

　　故事讲述一名战功赫赫的海军父亲（里兹·阿迈德 Riz Ahmed 饰）为了保护两名年幼的儿子，带着他们跑路。这趟旅程却将父子三人往越来越危险的方向前进，男孩们必须面对残酷的真相并被迫长大，挥别单纯的童年。