Overview: Time Team are doing a spot of gardening. Residents have presented them with evidence of historical activity, in the form of pottery shards and lumps and bumps in the landscape. While Victor sketches out possible buildings, Stewart tries to make sense of the trackways and earthworks in this spectacular landscape overlooking Portland Bill. Could there be a 4,000-year-old henge here? Back in Phil's trench in the garden, the first clear signs of a roundhouse emerge. Carenza helps potter Jim Newbolt to make and fire a collection of replica Iron Age and medieval pots.