The contestants bring dinosaurs and special effects to life in their "Jurassic World: Dominion"-inspired builds; actor Chris Pratt makes a guest appearance.
The builders embrace the Wild West and their technical abilities by creating bull-riding characters, which are tested when the characters saddle up on a mechanical bull with 10 levels of intensity.
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.
The teams have 8 hours to create a pirate ship with a creative and cohesive story about its captain and the treasure they seek; the builders see how their creations hold up against the rest of the fleet.
The teams put an imaginative and dynamic twist on a summer camp theme by using power functions in their builds; the team with the most creative build blindly picks a prize and chooses another pair to receive what was left.
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.
The contestants build tall, strong and stylish castles using only regular bricks; a wrecking ball that ultimately decides the best execution of the challenge.
The semi-finalists have 10 hours to build a fountain that uses water to create movement within their build; the 3 remaining teams get 24 hours to build their best creation possible.