Tony Robinson sends his drones around an immense stately home
Drones discover the mysterious workings of a sewage plant
Discovering the largest cave complex in Britain
Exploring the hidden world of some much misunderstood creatures - bats!
Investigating how the 2018 summer’s long dry spell created the perfect conditions for the mysterious, ‘parch marks’, that led to these remarkable discoveries
In this final episode Tony Robinson sends his drones to a top-security active nuclear decommissioning site, to discover the mysterious truth behind crop circles, and to explore the hidden world of some much misunderstood creatures - bats!