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.

Even though he gets a faceful of homemade cupcakes, Pete is all smiles as the joke indicates that the students are having fun building a treehouse with him and his crew.

Following Brian Kelley's suggestion of getting to know Nashville, Pete takes a tour of the city and ends up on the famed stage at the Grand Ole Opry, where he taps into history to find inspiration.

A lot of work went into this one of a kind treehouse. Explore the inside with Pete.

Fast-forward the Treehouse Masters' double-decker hideout in Texas Hill Country.

Because the treehouse is deep into the Pacific Northwest, Pete's team must work together and use some muscle to move two 28 foot long, 675 pound beams to the site.

Pete is lucky he gets to work in his home state, Washington, in the Pacific Northwest often. So, it's no surprise that he might stumble across a Bigfoot in the woods where they've been known to hang out.

When the crew has to move a heavy dog house down a hill, Henry is nominated to be the driver.

The Nelson empire is expanding! The family pulls together to construct another beautiful build in a 23-acre forest wonderland.

While looking for the right spot to house a magical party treehouse, Pete finds the ultimate grove.

Millie is an adorable dog with an amazing talent. She can climb up ladders to help with woofing - er - roofing!

Pete meets Brian Kelley and his wife Brittney for the first time. Pete develops a bit of a man-crush on the country superstar and relies on Brian to keep him safe from snakes while searching for the perfect tree.

Pete takes us on a tour of the team's latest creation.

Pete goes back to one of his very first treehouse to give it some updates - check out the process!

This treehouses, on the brink of obliteration, will get a completely high-tech, bionic upgrade.

Pete is in Walden, NY at Angry Orchard to build a treehouse in a burly 50-foot white pine.

Instead of building walls, Pete relies on a fabric treehouse kit to create a room on top the treehouse, but it turns out he's not a great fabric guy.