The new series of ingenious and eccentric small space designs takes George to Japan, a canal boat conversion in Dudley, and a luxury camper in Yorkshire made from a cattle trailer

George travels over 5000 miles to explore the wonder of small space builds in Japan. In the Midlands, a father and daughter salvage a dilapidated tree house with a £300 budget.

An airline buff bids to turn a jet cockpit into a summer house. And George visits a funky apartment in Tokyo that not only challenges the mind but may make residents live longer.

George meets Ellie, who's turned a double-decker bus into a luxury mobile home. There's also a multi-purpose super den in Suffolk with a roof terrace and a concealed pool table.

George meets a dad hoping to lure his kids off their gadgets by building a funky garden workshop. There's also an aspiring 14-year-old architect making a den out of a horsebox.

A world class surfer in Cornwall builds a unique extension to his campervan, while a Pembrokeshire couple turn an Olympic artefact into an extra-terrestrial glamping pod

George meets two artists in Gloucestershire converting a library van into a mobile home and studio. He also visits a wartime bunker being turned into a secret underground office.

A tailor fashions a work studio in his garden. An enterprising team build a cabin inside a crane 150 feet off the ground. And George visits a pod hotel in Tokyo.

George Clarke, Will Hardie and a special Amazing Spaces team take on a 600-year-old Welsh legend, attempting to build a house from scratch in less than a day. And it's raining.

George looks back at several memorable off-grid projects, from a wooden yurt in a quarry to a medieval summerhouse, a Victorian shepherds hut, and a stunning VW campervan

George revisits projects that celebrate Britain's rich history and traditions, including bunkers from the second world war, a doghouse in Devon, and a cream tea business in a camper van

George looks back at several ingenious builds done on a shoestring. Big things can be achieved with small sums - from a Tardis shed to a house built with absolutely zero budget.

George catches up with small space projects by young designers, including a 12-year-old's luxury party shed, and the newlyweds who ditched their honeymoon to make a campervan instead

George revisits some amazing European builds, from an epic mountain-top retreat in the Italian Alps to a floating home in Denmark and, in Barcelona, the smallest city home he's ever seen

This tree house special features a treetop spot in Tuscany with a romantic view, a tree hotel in Sweden shaped like a UFO, and a tree house designed in the style of a mirrored cube