Heatwave Special
- Episode aired Sep 9, 2018
![Hidden Britain by Drone (2016)](https://m.media-amazon.com/images/M/MV5BNDU2ODE2NGMtMmJiYy00YTQ3LWFjYWMtMWE3ZTQwMDNhYWI4XkEyXkFqcGdeQXVyMjA5NjIxNDU@._V1_QL75_UY281_CR155,0,190,281_.jpg)
Sir Tony Robinson explores how Britain's hot, dry summer has made hundreds of hidden historic sites visible from the air.Sir Tony Robinson explores how Britain's hot, dry summer has made hundreds of hidden historic sites visible from the air.Sir Tony Robinson explores how Britain's hot, dry summer has made hundreds of hidden historic sites visible from the air.