Professor Alice Roberts follows a decade-long historical quest to reveal a hidden secret of the famous bluestones of Stonehenge. Using cutting-edge research, a dedicated team of archaeologists led by Professor Mike Parker Pearson have painstakingly compiled evidence to fill in a 400-year gap in our knowledge of the bluestones, and to show that the original stones of Britain’s most iconic monument had a previous life. Alice joins Mike as they put together the final pieces of the puzzle, not just revealing where the stones came from, how they were moved from Wales to England or even who dragged them all the way, but also solving one of the toughest challenges that archaeologists face.

Who built Stonehenge and why? Groundbreaking archaeological digs have revealed major new clues about Britain's enigmatic 5,000-year-old site and the people who constructed it.

It's Britains greatest prehistoric monument but for millennia the origins of Stonehenge have remained a mystery. Now, archaeologist Mike Parker Pearson believes he has found vital clues that could help unravel the puzzle. Buried beneath the stones are ancient bodies, and a research team let by the professor has been granted permission to analyse them for the first time as they search for the truth.

Stonehenge Decoded presents world renowned archaeologists as they reveal a revolutionary new theory about who built Stonehenge and why.