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

Teams put a stunt "minifigure" to the test in an explosive stunt action scene. The duos must craft an immersive build filled with slime, water, glitter and colored dust 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; which designs perform the best and pass the LEGO "brickter scale" rating system.

This week's challenge is the ultimate test in ingenuity and engineering, as teams will create incredible and wearable hats made entirely of LEGO bricks. Then, teams must model their designs on the LEGO runway, hoping their creations don't collapse into pieces.

As the competition heightens, the remaining contestants are expected to raise the stakes and elevate their work - quite literally - when the teams are tasked with building a beautiful structure in mid-air. Building tables will be removed from the LEGO workspace and duos will be challenged to create a build of their choosing from the foundation of one floating LEGO technic brick. Discover who will take LEGO to new heights.

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The remaining six duos pull all the strings as they build their very own puppets in just under 10 hours; teams collaborate with one another to bring their puppets to life in a puppet show.

The remaining five duos are split into individual challenges; five must build land creatures, while their partners make creations inspired by the sea.

The teams are challenged to take the lamest LEGO neighborhoods and create an action-packed dream house in a home renovation-inspired game.

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.

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

The teams have 10 hours to build a fountain that uses water to create movement within their build.

The three remaining teams get 24 hours to build their best creation possible.

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.

The builders must skillfully construct a scene inspired by their chosen biome while including an explosion and a compelling narrative.

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.

The pairs are tasked with creating a roller coaster that incorporates a mechanical lift and a drop.

Counting down the top 100 moments from four seasons of "LEGO Masters."