The contestants bring dinosaurs and special effects to life in their "Jurassic World: Dominion"-inspired builds; actor Chris Pratt makes a guest appearance.

The remaining teams must build a car and a strong bridge; the creations are stress tested.

Contestants build droids and replicate iconic scenes inspired by the "Star Wars" franchise.

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.

No description available

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

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.

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

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.

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.

The contests each build a city block that is brought together as a huge city at the end.

Celebrity builders Sophia Bush, Holly Robinson Peete, Eric McCormack and Lil Rey Howery compete. The teams build holiday-themed houses.

The pairs of contestants are introduced; each duo must craft one section of a theme park.

Each team builds the other half of an everyday object that has been sliced in two.

Phil Lord and Christopher Miller task the contestants with a movie-themed challenge.

Contestants create evil lairs and fly vehicles through their Lego worlds; actor Terry Crews.

No description available

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.

Celebrity builders Sophia Bush, Holly Robinson Peete, Eric McCormack and Lil Rel Howery.

The contestants must interpret a story that is read aloud from a book selected for this competition.

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

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

Teams include Sophia Bush, Holly Robinson Peete, Eric McCormack.

Each duo must create a space-themed build; the creations are smashed in slow motion.

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