Grand Finale: The three remaining teams have 28 hours to build anything they want, and will be judged by 200 members of the public. Who'll bag the $100,000? (S4 Ep14) [AD,S,SL]
Three Act Story: The teams construct stories on rotating bases that have three different sections, representing the beginning, middle and end of their tales. (S4 Ep12) [AD,S,SL,W]
Window to the Future: The remaining teams must build a vision of the future in 12 hours. One team constructs a zero gravity skatepark, another creates Doomsday. (S4 Ep11) [AD,S,SL]
High Wire and Secret Cities: The teams must make a build that can drag itself across a high wire, and then create a secret story inside a half-built city. (S4 Ep10) [AD,S,SL]
Dragon Race and Grandscapes: The teams must build tiny dragons that are small enough to fly on a drone. Whoever wins gets an advantage for the second build. (S4 Ep7) [AD,S,SL]
Bridge Too Far: The teams need to create a bridge that can survive two shaking plates. If more than one bridge survives all 12 levels of shaking, the prettiest bridge wins. (S4 Ep6) [AD,S,SL]
Cut-Away: The teams have 10 hours to build a model at minifigure scale that's whole on one side but, when it's spun around, reveals a world that's cut in half. (S4 Ep5) [AD,S,SL]
Stuntman: The teams must construct a stunt vehicle that can climb up a ramp, jump through a ring of fire, clear nine Lego buses and explode. (S4 Ep2) [AD,S,SL]
Drain the Ocean: The fourth season of the Australian version of Lego Masters commences. The eight teams have 16 hours to build a scene set on the seabed. (S4 Ep1) [AD,S,SL]
Brand new series - The Grand Finale: It's time for the finale, and the three Grand Master teams have 28 hours to showcase their skills with their most impressive builds yet. (S5 Ep14) [AD,S,SL]
Brand new series - The Grand Finale: It's time for the finale, and the three Grand Master teams have 28 hours to showcase their skills with their most impressive builds yet. (S5 Ep14) [AD,S]
Brand new series - Penultimate Challenge: The teams build something to replace a horse on a carousel at Luna Park amusement park. The builds must survive on the rotating carousel. (S5 Ep13) [AD,S,SL]
Brand new series - Penultimate Challenge: The teams build something to replace a horse on a carousel at Luna Park amusement park. The builds must survive on the rotating carousel. (S5 Ep13) [AD,S]
Brand new series - Cliffhanger: In the last elimination round, the teams must build a dwelling on a sheer cliff face. And one team try something different from everyone else... (S5 Ep12) [AD,S,SL]
Brand new series - Cliffhanger: In the last elimination round, the teams must build a dwelling on a sheer cliff face. And one team try something different from everyone else... (S5 Ep12) [AD,S]
Brand new series - Best of the Best: The teams are each given one of the five best challenges from previous seasons. And this time, they're not competing against each other... (S5 Ep11) [AD,S,SL]
Brand new series - Best of the Best: The teams are each given one of the five best challenges from previous seasons. And this time, they're not competing against each other... (S5 Ep11) [AD,S]
Brand new series - The Heist: The teams each build their own portion of a city-wide heist, in assorted heist opportunities including a bank, an art gallery, a hotel and the docks. (S5 Ep10) [AD,S,SL]
Brand new series - The Heist: The teams each build their own portion of a city-wide heist, in assorted heist opportunities including a bank, an art gallery, a hotel and the docks. (S5 Ep10) [AD,S]
Brand new series - Explosions in Motion: The teams build a Hollywood movie scene that will set off explosives in ultra-slow motion to create the ultimate action-packed moment. (S5 Ep9) [AD,S,SL]
Brand new series - Celebrating 100 Years of Disney: The teams are challenged to construct builds that capture the emotion of a well-known scene from a Disney movie. (S5 Ep8) [AD,S]
Brand new series - Secrets, Mysteries & Conspiracies: The Grand Masters must build Lego models that represent secrets, mysteries or conspiracy theories. (S5 Ep6) [AD,S,SL]
Brand new series - Secrets, Mysteries & Conspiracies: The Grand Masters must build Lego models that represent secrets, mysteries or conspiracy theories. (S5 Ep6) [AD,S]
Brand new series - Up It Goes: The Grand Masters have just seven hours to create their builds and to engineer a mechanism that lifts their creations up a six-metre vertical wire. (S5 Ep5) [AD,S,SL]
Brand new series - Up It Goes: The Grand Masters have just seven hours to create their builds and to engineer a mechanism that lifts their creations up a six-metre vertical wire. (S5 Ep5) [AD,S,SL]
Brand new series - Up It Goes: The Grand Masters have just seven hours to create their builds and to engineer a mechanism that lifts their creations up a six-metre vertical wire. (S5 Ep5) [AD,S]
Brand new series - Rollercoasters: The contestants build a motorised rollercoaster cart. It can be in any theme that they like, but it must survive the rollercoaster test track. (S5 Ep4) [AD,S,SL]
Brand new series - Rollercoasters: The contestants build a motorised rollercoaster cart. It can be in any theme that they like, but it must survive the rollercoaster test track. (S5 Ep4) [AD,S]
Brand new series - Is It Fake?: The teams replicate items from the 1950s Blake and Brickman Detective Agency's office. They'll be judged on difficulty, with bonus points available. (S5 Ep3) [AD,S,SL]
Brand new series - Is It Fake?: The teams replicate items from the 1950s Blake and Brickman Detective Agency's office. They'll be judged on difficulty, with bonus points available. (S5 Ep3) [AD,S]
Brand new series - Over the Falls: The Grand Master teams must make a build which tells a story both as it goes over a waterfall, and as it crashes on the rocks below. (S5 Ep2) [AD,S,SL]
The Grand Finale: The teams have 28 hours to build anything they fancy, which will be judged by 250 members of the public. Who'll win the $100k and Lego crown? (S3 Ep14) [AD,S,SL]
Brand new series - City in the Sky: Previous winners and finalists return for a Grand Masters special series. First up, they must create a world suspended high in the sky. (S5 Ep1) [AD,S]
No Wheels Race and Dream Home: The teams make vehicles - without using wheels and tyres - that can go down a purpose-built track in the quickest times possible. (S3 Ep10) [AD,S,SL]
Arcade Game: The teams have 12 hours to build an original arcade game based on a blind minifig pick. The winner will receive immunity from the next elimination. (S3 Ep9) [AD,S,SL]
Four Seasons: The teams must use base plates representing summer, autumn, winter and spring, in a test of art, technical ability and storytelling. (S3 Ep8) [AD,S,SL]
Cut in Half: After choosing from a range of things that have been sliced in half, the teams then make a creation that bolts on where the missing half used to be. (S3 Ep6) [AD,S,SL]
Hero's Quest: The builders have 12 hours to create an adventure from a part of a map. And the winners will get immunity from the following elimination. (S3 Ep5) [AD,S,SL]
Castles and Cannonballs: The builders have eight hours to assemble a castle, which is then plonked at the end of a bowling lane and smashed by a bowling ball. (S3 Ep2) [AD,S,SL]
Finale: It's the grand finale, and the three remaining teams have 28 hours to create a build of their choice. Who'll win the Lego Masters title? (S2 Ep11) [AD,S,SL]
Smash and Grab/Day and Night: The teams have just 12 hours to build a city block that tells a story during both day and night in this double header challenge. (S2 Ep10) [AD,S,SL]
Underwater World: Four huge water tanks are revealed, and the teams have 12 hours to build a model that will be submerged underwater. (S2 Ep9) [AD,S,SL]
3D Art: Five teams build a piece of 3D art inside a picture frame. They'll be judged on their technical skills, artistic composition and how 3D their build is. (S2 Ep6) [AD,S,SL]
Tall Tower and One Hanging Brick: The teams must build the tallest tower they can, followed by a challenge with a Lego brick suspended on a wire. (S2 Ep4) [AD,S,W]