Young LEGO enthusiasts team up with celebrity guest starts like Andy Richter, Ravi V. Patel, Porsha Williams, Jordin Sparks and Alison Sweeney to make Disney-themed Lego creations.

Teams build Lego stunt doubles of their celebrity teammates and a vehicle for them to ride in a major action movie stunt.

Teams are challenged with making LEGO reproductions of magical buildings from the "Harry Potter" franchise of books and movies.

Each team is tasked with building an incredible dragon; the winning team is revealed.