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

The contestants build LEGO cat houses for adorable kittens.

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

The builders choose sound effects and must create LEGO models based on those sounds.

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

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

The builders face a wild ride in the semi-finals.

Host and Executive Producer Will Arnett counts down the top 100 moments from all four seasons of LEGO Masters. Relive the best and biggest smashes and crashes.

The top three teams compete to create a legacy that will last "four-ever".

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