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    9x09 | Alaskan Mountain Treehouse

    September 23, 2017, 04:00AM

    Pete travels to Alaska to build a mountaineering lodge in the shadow of North America's highest peak; constructing an A-Framed masterpiece for the Mt. McKinley Princess Wilderness Lodge with breathtaking views of Denali.


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    9x08 | Grace VanderWaal's Got Treehouse

    September 16, 2017, 04:00AM

    When asked in 2016 what she would do with her winnings, ``America's Got Talent'' Season 11 winner Grace Vanderwaal said she wanted a tree house built by Pete Nelson; the 13-year-old singer-songwriter's wish comes true.


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    9x07 | City Sleeker Treehouse

    September 09, 2017, 04:00AM

    Pete is back in Texas to build a sophisticated, sleek-and-chic treehouse in the heart of Dallas; Daryl and the NTS team put treehouse engineering to the ultimate test at Washington State University, proving down-to-the-pound the power of the TAB.


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    9x06 | The Bird Barn Treehouse

    September 02, 2017, 04:00AM

    Two retirees get a retreat on their 100-acre Wisconsin farm; Pete builds a barnlike birdhouse with three separate pods -- an art studio, an office and a lounge -- complete with a screened-in porch and a deck overlooking their stable of alpacas.


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    9x05 | Jeffersonian Honeymoon Suite

    August 26, 2017, 04:00AM

    Pete and his team descend upon Virginia for the first time to bring the tree house revolution to Bella Rose Plantation; drawing on the architectural innovations of Thomas Jefferson, Pete designs a luxurious two-story tree house with colonial columns.


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    9x04 | Thrill 'n' Chill Treehouse

    August 19, 2017, 04:00AM

    Pete descends upon western Washington to make a tree house for action and relaxation; with a 55-foot-long bouncy-bridge entryway into a 20-foot-high structure and a zip line that travels through the forest, this tree house generates non-stop thrills.


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    9x03 | Glamorous Glamping Retreat

    August 12, 2017, 04:00AM

    The NTS team leave their tents behind and head to New Jersey to build a campers' retreat for an outdoor-loving couple; with a screened-in porch, floating barbecue deck and cozy hanging bed, this Adirondack style tree-cabin puts glamping in the trees.


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    9x02 | Hill Country Hideout

    August 05, 2017, 04:00AM

    Pete and his gang ride out to the Lone Star State to build a double-decker hideout in Texas Hill Country; Pete creates rustic perfection in six live oak trees with a saloon-style first floor for sippin' sarsaparilla and a glass floor for views below.


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    9x01 | A Treehouse Fit for a Viking

    August 05, 2017, 04:00AM

    Pete takes on his first international tree house in Norway; working alongside a local builder named Frode, the one-of-a-kind, 24-foot-high retreat accommodates eight and allows for stunning views of the nearby lake.


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    9x01 | A Treehouse Fit for a Viking

    August 05, 2017, 04:00AM

    Pete takes on his first international tree house in Norway; working alongside a local builder named Frode, the one-of-a-kind, 24-foot-high retreat accommodates eight and allows for stunning views of the nearby lake.