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?

Credits

Toby HaynesDirector

Matt SmithThe Doctor

Karen GillanAmy Pond

Arthur DarvillRory Williams

Michael GambonOld Kazran / Elliot Sardick