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After the collapse of Earth's ecosystem, Vesper, a 13-year-old girl struggling to survive with her paralyzed Father, meets a mysterious Woman with a secret that forces Vesper to use her wits, strength and bio-hacking abilities to fight for the possibility of a future.

In this epic two-part finale, the Doctor comes face to face with the mysterious Missy, and an impossible choice is looming. With Cybermen on the streets of London, old friends unite against old enemies, and the Doctor takes to the air in a startling new role.

A service which creates holographic projections of late family members allows an elderly woman to spend time with a younger version of her deceased husband.

Two siblings begin to develop special talents after they find a mysterious box of toys, and soon their parents and even their teacher are drawn into a strange new world – and find a task ahead of them that is far more important than any of them could imagine.

Amy Pond and Rory Williams are trapped on a crashing space liner, and the only way the Eleventh Doctor can rescue them is to save the soul of a lonely old miser. But is Kazran Sardick, the richest man in Sardicktown, beyond redemption? And what is lurking in the fogs of Christmas Eve?