Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
In 1592, Elizabeth I visited Sudeley Castle where a spectacular garden was created. 500 years later, a team of archaeologists hunt for this lost gem. (Part 1 of 6) (S)
Silchester is one of the best-preserved Roman sites in Britain. Why did Rome's infamous emperor Nero stamp his mark on the town? (Part 2 of 6) (S)
For more than 260 years, HMS Invincible lay at the bottom of the Solent. Now, archaeologists are diving beneath the waves to learn more about this game-changing ship. (Part 3 of 6) (S)
Archaeologists conduct a dig at Auckland Castle in Co Durham, which 700 years ago was home to a group of power-crazed bishops. (Part 4 of 6) (S)