Teams are introduced and tasked with a space-themed challenge...building personalized spaceships.

The contestants bring dinosaurs and special effects to life in their builds, inspired by the movie 'Jurassic World: Dominion'.

The builders embrace the Wild West and their technical abilities by creating bull-riding characters.

The builders make imaginative LEGO treehouses in real trees, with no built-in support.

Each team races to pick which furry friend they'll re-create; the build must be life-size and able to move down the runway on a leash; the judges decide which team captures its dog's details the best.

In the shortest challenge yet, the teams have just eight hours to create a pirate ship with a creative and cohesive story about its captain and the treasure they're in search of. At the end of the challenge, the builders dock their ships to see how their creations hold up against the rest of the fleet.

Teams create ambitious summer camp designs using power functions, with the winners blindly picking between 90,000 LEGO bricks and the coveted golden brick.

The contestants face off in a mini golf challenge. Each team must transform a putting green into a playable mini golf hole, complete with obstacles that propel the ball and the story within the build.

Teams build medieval castles matching the themes of mini figures picked from a hat, with the tallest castle safe from elimination.

Teams recreate iconic action scenes from the Marvel Cinematic Universe, with twelve hours to craft their perfect superhero action diorama.

Contestants are split into red and blue teams, where they compete to build a fast and fashionable race car.

The semi-finalists have 10 hours to build a fountain that uses water to create movement within their build, with the three teams that use water to meaningfully tell a story moving on to the finale.

The three remaining teams get 24 hours to build their best creation possible; the duo with the most impressive build wins 0,000, the Master Builder title and trophy, and gets their creation displayed at LEGOLAND New York resort.

Beloved celebrities and former LEGO Masters contestants team up to spread holiday cheer by competing in challenges to win ,000 for a charity of their choice. In this first challenge, the pairs must build an aerodynamic snowmobile that will shoot off a snow jump. The two teams with the builds that launch the farthest will be eligible to win, but the judges will ultimately decide a winner based on aesthetics.

Celebrity Contestants Robin Thicke, Finesse Mitchell, Leslie Jordan, and Cheryl Hines team up with former LEGO Masters contestants to spread holiday cheer by competing in challenges to win ,000 for a charity of their choice. The teams must build Santa a new sleigh that looks great and is tough enough to span across two chimneys filled with heavy holiday gifts.

In this special two-hour finale, the teams will compete in two super-sized brick-building challenges and the winning team will win ,000 for the charity of their choice, be named the LEGO Masters: Celebrity Holiday Bricktacular champion, and take home the most festive trophy on earth.