George returns for a Christmas special, visiting Christmas-themed builds including a gingerbread house, an underground grotto decorated with over four and a half million shells, and a beach hut advent calendar where every day a festive space opens its doors to the public. George also catches up with expert designer William, to look back on the extraordinary journey to transform his 1970s caravan into a spectacular 21st century holiday retreat.

In this festive special, George visits an incredible man-made stalactite crystal grotto in Surrey and meets a small spaces enthusiast who has rebuilt and renovated a Victorian flatpack tin chapel in Shropshire to create a magical holiday home. George catches up with carpenter Adam, who created a double-decker bus holiday home on the Brighton coastline, with Jay and Jonathan at their ambulance-turned-campervan in Norfolk, and Barry at his hexagonal home in Lancashire. Meanwhile, it's Christmas in the tree house with Rew from the Land Rover cocktail bar helping to get the celebrations started.

George visits a flat-pack tin church. There's also a luxury converted chapel, ice carving in a Liverpool wonderland and a catch-up with some of George's best builds of the year.

In this special episode George Clarke joins forces with up-cycling expert Max McMurdo to learn all there is to know about building a floating home, from Docklands to Denmark.

George looks back over some favourite projects from across five series, with some amazing tree houses from Scotland to Sweden and Tuscany to Northumberland,

George looks back at some innovative and eccentric builds, from a tiny Italian tuk tuk campervan to an Airstream party pad and a trailer caravan clad in old CDs

George looks at how nature and architecture can work well together, from a mountain-top ski lodge to a hobbit house built for only £150

George looks back at some amazing back gardens, from a cliff-top stargazing retreat to the country's most multi-functional shed

George looks back at a wartime seaplane made into a bachelor pad, a writer's retreat in the shape of an egg and a Danish home floating on bottles

A second look at some incredible feats of engineering, from the scrap Learjet turned into a luxury garden studio to a mobile cinema and a Jeep made into a cocktail bar

George looks at some of his best builds by the sea, including a multifunctional beach hut in Bournemouth and a 21st-century update of a Victorian bathing machine in Margate

George looks back at some of the most ingenious Amazing Spaces builds, from a toilet converted into a luxury home to a tube carriage transformed into a stylish office

George and Will Hardie help Jan Fursier bring to life her dad's dream for a caravan, taken from plans found in his secret wartime diaries during his time as a Japanese prisoner of war.

In this festive special, George Clarke takes a trip across the snow-capped mountains of western Canada.

George and Will Hardie head for Norway, a country with some of the harshest weather on Earth, visiting ingenious builds including a snow hotel, an epic mountain home and a geodesic aluminium dome.

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.

George and Will visit a secret ski lodge disguised as a boulder, a tree house that looks like a giant acorn, and a mountain-top restaurant resembling a spaceship

George reviews his global search for the world's most ingenious small-space builds, from Canada to Japan, Norway to New Zealand, and from minimalist glass cabins to an epic beach house

George rediscovers some the most ingenious vehicle projects he's seen, including a helicopter, a camper van and the cockpit of a passenger jet

In this snowy, wintry special, George Clarke and Will Hardie explore the many architectural gems of Finland as they head for the Arctic Circle

George Clarke and Will Hardie check out amazing winter designs, from ice hotels to stunning modern homes, in Norway, Finland, the Alps and Canada, and build an igloo and dodge a bear along the way

George Clarke explores the extraordinary world of small builds, where people turn tiny spaces into the most incredible places to live, work and play. He even tries making a few of his own.

In this special episode, George and Will Hardie go on a nautical adventure to build a one-of-a-kind beach hut. With their efforts being anything but plain sailing, can they pull it off?

In this special episode, George and Will Hardie take inspiration from an 1830s camera obscura and a futuristic planetarium to create an observatory in honour of George's star-loving late father.

George and Will discover some out-of-this-world hotel pods, an abandoned igloo hotel and a quirky family ski chalet, before trying their hands at ice fishing and building their very own dog sledge