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.

Susan Gallagher attended one of Pete's treehouse workshops and now wants a treehouse of her own to retire to. They find the perfect spot in a spruce they've named Zeus.

Check out this montage of all the weird noises that come out of Petes mouth while he's busy building treehouses.

While the team works hard on a Frank Lloyd Wright styled treehouse, they realize they haven't seen Pete in a while.

See how this ginormous, Texas-sized treehouse came to life!

Watch the special Boxtrolls-themed treehouse come together - in super speed! - thanks to many helpful hands.

Pete is excited to be making AJ's wish come true with a Boxtrolls-themed treehouse, but his wish is granted as well when he gets to train with local firefighters.

The crew traveled to Michigan to build a surprise treehouse for a very lucky wife.

Pete gives you a tour of this whimsical, magical, Boxtrolls-themed treehouse built especially for AJ.

Watch how Pete and his time brought this English cottage-inspired treehouse to life!

Pete takes a ride to a treehouse he built 15 years ago. The owner Bruce has some serious concerns about a deck expansion he recently did and needs Pete's help.

Pete takes a final tour of the incredibly imaginative structure built for the kids of Camp Southern Ground in Georgia.

Pete picked up a few new skills from international tree builders, in particular how to set up a "Brazilian necklace" in order to keep moisture from seeping into a treehouse built around a tree.

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Pete and the crew teamed up with Zac Brown and Camp Southern Ground on an incredibly imaginative hangout for kids.

Everyone loves a good metaphor, right? Pete tries to connect the water wheel, inspired by Swiss Family Robinson, and the commitment of marriage.

It takes some clever thinking and innovative interior design to furnish a treehouse high up in a tree.