Episode PremiereJune 12, 2010
Show Period2006 - Now
Production CompanyBBC Worldwide Productions, CBC
In the year 2020, the Doctor, Rory and Amy arrive in a small Welsh mining village where engineers are attempting to break through the Earth's crust. Unfortunately, the engineers' efforts have unleashed mysterious creatures that begin abducting villagers... and Amy. The Doctor prepares for a siege, but soon realizes that he's facing an old enemy.