Episode 31.12 (Story Code 5.12) by Steven Moffat

A message on the oldest cliff-face in the universe, a hidden terror beneath Stonehenge, a puzzle box opening from the inside and a love that lasts a thousand years… The fates are drawing close around the TARDIS – is this the day the Doctor fails..?

Matt Smith (The Doctor), Karen Gillan (Amy Pond), Philip Madoc (Estron), Marcus O'Donovan (Claudio), REST OF GUEST CAST TBA

Directed by Toby Haines
Produced by Peter Bennett / Tracie Simpson
Executive Producers Steven Moffat, Piers Wenger and Beth Willis
A BBC Wales production

TX (BBC 1 & BBC HD):
19th June 2010

Notes:
*Featuring the Eleventh Doctor and Amy

Part one of a two part story