Season 11

Brand new boaters Sheila and Gyles embark on their tour of London's waterways, starting on the upper reaches of the River Thames - a paradise of unspoiled nature, royal retreats and river regattas

Concluding their tour of London's waterways, Sheila and Gyles journey the Lee Navigation, tackle their first manual lock and some terrifyingly tight turns, and visit the Royal Gunpowder Mills