CeeLo Green stops by the recording studio treehouse to spontaneously lay down a track with Pete. Wait until you see Pete dance and sing!

Pete and CeeLo discuss Goodie Mob.

Pete and Cee Lo discuss the song, "F*** You."

In this exclusive behind-the-scenes clip, Pete gets his groove on as special guest Cee Lo Green sings along with his new single. Did he just twerk?!

Pete reveals a beautiful recording studio in the trees, complete with cork walls, hanging guitars and creativity all around.

See all that went into building this awesome, one-of-a-kind treehouse recording studio!

See how Pete and crew guided this lighthouse to reality in this time-lapse video of the build.

Pete gives us an exclusive tour of the Hippie Hideaway!

Pete reveals this adventure treehouse to an excited family.

Pete gives a Behind-The-Scenes look at the Recording Studio Treehouse!

Pete gives us an exclusive tour of the Levitating Lighthouse!

See everything that went into making an Indiana Jones-inspired treehouse come to life!

Who says trees are for the birds? For Pete Nelson, if you can dream up an amazing treehouse idea, the Treehouse Masters can build it! See all-new builds this season on Treehouse Masters, premiering Friday, Jan. 10 @ 10PM E/P.

Pete enlists a new team member to lift giant beams into the trees and save on chiropractor bills.

See how this sky-high redwood retreat soared to new heights in this time-lapse video of the build.

With a budget as high as the trees, a family in Bedford, NY hires Pete to design a dream clubhouse for the entire family.

Pete and the Nelson Treehouse team drop the tools for a little paintball fun with their clients.

Take a behind-the-scenes tour of the manliest Man-Cave treehouse Pete has ever seen.

Take a tour of the authentic, western-themed treehouse Pete and his team created for their electrician, the Outlaw Hideout.

Go behind the build of the team's first international treehouse in Norway!

The big reveal of the Texas-sized Man Cave Treehouse - Pete's most expensive build yet gets a huge response.

Campgoers will have the experience of a lifetime at Sunrise Day Camp - complete with a wheelchair accessible treehouse.

Climb the stairs, grab a cold cider and check out the tasting room Pete and the team created for Angry Orchard in Walden, NY.

Tory makes sure to include the artist's work in this beautiful fix of an old treehouse.

Plans are set for the Man-Cave Treehouse! And, boy, is Pete excited.

Now that the camo treehouse is built, it's up to Tory to add the finishing touches with her interior designs!

Finding the right spot with the right trees is crucial to building your own perfect treehouse.

See how the French-inspired restaurant dining room went from a few branches to the perfect spot for a romantic meal.

Pete, dressed in a kilt, takes us on a private tour of the Scottish Treehouse cottage.

Watch an exclusive time lapse of John and Lolly's treehouses!

Now that the treehouse is finally completed, Pete adds a special plaque to thank Quicken Loans for making this treehouse a reality.

The Sweetgum Thicket is a house literally formed by the branches of trees.