
About this season
Kids team up with stars like Ravi Patel and Jordin Sparks to create amazing Lego builds. Expert judges evaluate their work as they compete for $50,000, a trophy, and the Lego Masters Jr. crown.
Episodes (4)

1. Disney Train Ride
Aired 18 August 2025 • 43 min
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.

2. Celebrity Stunt Doubles
Aired 25 August 2025 • 43 min
Teams build Lego stunt doubles of their celebrity teammates and a vehicle for them to ride in a major action movie stunt.

3. Harry Potter
Aired 1 September 2025 • 43 min
Teams are challenged with making LEGO reproductions of magical buildings from the "Harry Potter" franchise of books and movies.

4. Ninjago
Aired 8 September 2025 • 43 min
Each team is tasked with building an incredible dragon; the winning team is revealed.