About this season
When the beloved 200-year-old Sycamore Gap tree on Hadrian’s Wall is mysteriously felled overnight, public outrage erupts worldwide. This gripping two-part true-crime documentary follows Northumbria Police’s unprecedented investigation, with exclusive access to detectives, witnesses and never-before-seen evidence. As officers untangle a bizarre case with no CCTV and no witnesses, the series explores the cultural impact of the tree’s loss and the global fight for justice in one of the UK’s most unusual environmental crimes.
Episodes (2)
1. Episode 1
Aired 3 December 2025 • 47 min
This series goes inside a community in turmoil and inside the police hunt to solve the Sycamore Gap tree mystery - a crime of extraordinary vandalism that shocked Britain.
2. Episode 2
Aired 4 December 2025 • 47 min
Inside the police hunt to solve the Sycamore Gap tree mystery. A breakthrough leads to the arrests of friends Adam Carruthers and Daniel Graham.