Time Team are in Freen's Court on the English-Welsh border. A recent aerial photograph shows parch marks. The kingdom of Mercia was ruled by the ruthless eighth century King Offa. Could this be his palace? All sorts of colourful legends are associated with the site. But they are having trouble locating the parch marks on the ground. As it's a protected monument, they must dig by hand under the watchful eye of English Heritage inspector Paul Stamper. There are some medieval remains but so far nothing Anglo-Saxon. They are joined by historian John Blair, County Archaeologist Keith Ray, and pottery expert Alan Vince. Phil helps experts Richard Darrer and Guy Apter to make a replica wooden cement mixer.

• Tim Taylor

• Tony Robinson
• Bill Oddie
• Phil Harding