Teams of two LEGO enthusiasts go head-to-head, with infinite possibilities and an unlimited supply of LEGO bricks. Throughout the competition, host Will Arnett and expert judges encourage the amateur builders, introduce incredible challenges and put the creations to the test. The competing pairs who impress the judges the most progress to the next round, until the finale, during which the top teams face off for a cash prize, the ultimate LEGO trophy and the grand title of LEGO Master.