If you like these, let's-get-it-done-in-3-days progs there's another Time Team special on Channel 4 from 5:35 on Sunday, 4 February when, "Tony Robinson and the team head for the isle of Anglesey in north Wales, where they seek evidence of the lost world dominated by the Celtic Druids. The site is a huge enclosure, well placed on top of a hill - if it's the right date and there's evidence of buildings, it could prove to have been home to a powerful local chief."*
* RadioTimes: 3-9 February, page 69.