Ten pairs of contestants are introduced and must craft a section of a theme park.

Each remaining duo creates a space-themed build. The creations are then smashed and the carnage is viewed in slow motion.

Each team is given one half of an everyday object and must build the missing half.

Phil Lord and Christopher Miller, the writers and directors behind “The LEGO Movie,” give the contestants a movie-themed challenge.

The duos each build a city block that is then assembled into a huge city at the end.

The remaining teams build a car for a downhill race and then build a bridge for a weight-bearing stress test.

The contestants showcase their creativity by interpreting a story that is read aloud from a book. Nicole Byer joins the duos on set as she helps the contestants through a twist.

Contestants create evil lairs and must incorporate a hand-held “swooshable vehicle.” Terry Crews is a guest.

The droids from Star Wars challenge the contestants to build their own droids and to replicate iconic scenes from the franchise.

The three remaining duos create their most epic master builds yet in their final competition.

The teams are tasked with building an eye-catching float in the first-ever LEGO Day Parade.

The duos must craft an immersive build to create the ultimate action movie moment.

Structural integrity and beauty come together in the most earth-shattering challenge, as teams build a structure strong enough to withstand an earthquake. Find out which designs perform the best and pass the LEGO "brickter scale" rating system.

The teams are tasked to create wearable hats made entirely of LEGO bricks. Then, they must model their designs on the LEGO runway, hoping their creations do not collapse into pieces.

Duos are challenged to create a build from the foundation of one floating LEGO technic brick.

Contestants must build an exact replica of Will Arnett's Lego Lamborghini from memory.

The remaining seven duos compete in an exciting weather-based challenge; teams build an incredible world with a giant centerpiece that must spin in the wind and withstand the rage of a 60 mph wind machine.

The remaining six duos build their very own puppets in just under 10 hours.

The remaining five duos are split and must build land creatures and creations inspired by the sea.

The sleeves come off when the teams are challenged to take the lamest LEGO® neighborhoods and create an action-packed dream house in a home renovation-inspired game of "Flip My Block!" For this EXTREME challenge, can the teams take their builds from drab to fab and create an epic, motion-filled build, or will their imaginations fall flat?

The teams must build a gravity-defying castle off a giant LEGO cliff.

The three remaining teams have 24 hours to make a construction that has both a day and a night look; the winner is revealed and receives the $100,000 prize.

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 $100,000, the Master Builder title and trophy, and gets their creation displayed at LEGOLAND New York resort.

Robin Thicke, Finesse Mitchell, Leslie Jordan and Cheryl Hiness build aerodynamic snowmobiles.

The teams must build Santa a new sleigh that looks great and is tough enough to span two chimneys.

The teams compete in two super-sized brick-building challenges.

The daring duos embark on a mission to construct the ultimate motorized party boat that showcases their unique personalities.

The builders must make pet palaces for kittens.

Contestants have twelve hours to create volcano-centered scenes with explosive potential.

The builders must choose from a selection of sound effects and transform what they think their sound would look like into a LEGO model.

The duos divide into two big teams to construct a mesmerizing show consisting of four breathtaking acts.

The builders ransack a detective's office and leave with an item of their choice that they must replicate into a one-to-one scale model; "LEGO Masters" Season 3 winner, Stacey Roy, must play detective and spot which items are real.

Teams must make luxurious bags that are both functional and runway-worthy by showcasing their creations in a photo shoot; show-stopping bags secure a coveted magazine cover and the fashion fails are at risk of elimination.

Teams use bricks to create an off-road remote-controlled vehicle for an ultimate race.

Buckle in tight! The four remaining pairs are tasked with creating a roller coaster that incorporates a mechanical lift, a drop, and imagination that reaches new heights. Within 12 hours, the teams must create a coaster that is technically sound and have an aesthetically pleasing theme throughout the build. Only three teams will ride into the finale.

Will Arnett counts down the top 100 moments from all four seasons of "LEGO Masters."

The three remaining teams have 24 hours to create a massive build complete with storytelling, creativity and technical aspects to claim the title as LEGO Masters. The team that pushes their creativity and skills to the limit and creates a show-stopping build will take home a $100,000 cash prize, the ultimate LEGO trophy and the grand title of LEGO Masters. And for the first time in the show's history, the winning build will be transformed into a set and displayed at a LEGO flagship store.

Special guests pair up with former contestants to compete in ingenious holiday-themed challenges.

Celebrity Holiday Bricktacular: Holiday Blockbusters

Teams are challenged to rebuild the galaxy one brick at a time by transforming the remnants of a destroyed planet into a new creation, and Star Wars characters, including Stormtroopers and Darth Vader, make a surprise appearance.

This week, teams of LEGO fanatics are tasked with building an outstanding wedding cake for some adorable LEGO minifigures who are about to get married! To kick off the big day, each team will randomly select a ring box which holds a minifigure couple whom they must make their wedding cake for. With only four hours to build, the teams must speak now or forever hold their pieces.

With six hours on the clock, the remaining teams must tap into their inner jungle spirit and build a unique and exciting creature. This creation will come to life as it descends a moving waterfall and is captured in slow motion. In the first time in LEGO Masters history, the teams will determine who receives the golden brick and gain immunity against elimination.

Teams face a Wicked-themed challenge, where each team is given a mystical spell to inspire their build, and they must skillfully hide the spell-related elements within their creation.

This week, there’s a whole new twist on the competition as teams of LEGO enthusiasts are tasked with doing the unthinkable…creating a mind-blowing-build that bursts with movement and tells a compelling story. First, each team will select a type of movement to center their build around including twist, spin, push and swing. Then, for the first time ever, the teams will compete in a head-to-head battle where their builds will be judged against only one other team.

The remaining teams of LEGO enthusiasts join in on celebrating DC Comic's 85th anniversary of the Batman franchise by creating their very own Batmobiles! Whether their build is a reboot or a brand-new version, the teams must incorporate one out of the seven iconic Batman eras of their choice into their creations. With only six hours to build, it’s a race to the finish line to craft a thrilling Batmobile that will excite the judges.

This week, the remaining contestants build a wearable mask for a costume party. For the first time in LEGO Masters history, each team is required to wear their design and make a grand entrance at the Masquerade ball. Mask-imum effort is required to make sure each headpiece is strong enough to safely strut the runway.

The five remaining teams travel back in time to the 90's. Contestants are tasked with recreating any item from Will Arnett's high school bedroom where they must fool the eye of a special guest by replacing what was once a curated 90's item into a LEGO brick carbon copy.

The four remaining teams compete for a spot in the finale, where each team is tasked with building a mechanism that successfully moves a ping-pong ball from one-side of the studio to the other. Combining intentional storytelling with technical craftsmanship, builders must be brave, bold and unique.

The remaining teams are tasked with building a final creation that blends personality with masterful skill in what is known as their 'Master Build.' The pressure is on to construct magical, compelling structures all while balancing last minute twists and unexpected missteps.