In the last episode of the series, Alan Gardner heads to the capital to assist on a neighbouring garden project. London neighbours Claire and Tim and Jess and Karl, wish to turn their gardens into a huge playground for their sons.
However the two couples have different ideas about how they want their gardens to look, Tim and Claire want a romantic spot while Jess and Karl have been inspired by beautiful Mediterranean spaces. Tonight Alan also visits Texas hoping for inspiration and explores a jumbo jet engine design.
The Autistic Gardener, 7 pm – Channel 4
Image: Channel 4