1. Food Lab by Ben Milbourne
2. Design and technologies

The final episode is here and it's down to our final three teams to impress not only Brickman (and host Hamish) but hundreds of kids, parents, and Lego fans to find out who will be the ultimate Lego Master.

Jo Barrett and Matt Stone from Oakridge Wines mentor this service challenge, with each team cooking a sweet or savoury menu. The team with the least impressive menu faces the pressure test.

Contestants are cooking off against the other contestant on their bench. The best dish from each bench will be safe, while the remaining contestants must cook in the elimination round.

In the penultimate episode, teams face two challenges. The first one sees them only able to use pieces from a smashed Lego Harley-Davidson. In the second challenge, they must create a building that works in both day and night.

Hosted by fashion guru Lee Lin Chin. This episode features glam menswear label Clifford Gordon.

The secrets of a super ship, that deliberately sinks into the ocean carrying the biggest loads on Earth, are revealed.

Take apart the $150 billion International Space Station to uncover the extraordinary innovations that enable it to support life in deadly space.

Stylist Inge Holst talks about how English eccentricity finds its way in her clothes, her passion for her period costumes, training under the Australian opera costume master and how it inspires her work into blending fashion and costume to inspire people to dress up more.

Katy Perry guest judges a very special Hot 'N' Cold challenge to honour the iconic MasterChef theme song. The contestant with the best dish will find themselves safe from the elimination.

Cate and Nick Foskett have put their high-powered careers on hold to forge a new life as winemakers and build a new home on their 150 acre property in the Adelaide Hills.

Contestants have 75 minutes to cook a dish using one or more of the eight ingredients in the mystery box. The contestants are pushed to the limit when a twist is delivered to their benches.

An intimate portrait of seminal Australian architect Richard Leplastrier. Filmed over 15 years, the documentary explores his life, his influences and his built works.

Engineering has built our modern world. Everything from skyscrapers to roads and air travel are here because of Engineering. But what happens when engineering goes horribly wrong? Go behind the headlines to uncover what really happened in the most notorious engineering accidents.

Contestants have three hours to complete a simply stunning Darren Purchese dish, but in the final hour of the cook, a twist that no one could anticipate is thrown at the contestants.

Another elimination sees the contestants have to make extraordinary builds that not only look amazing but can go underwater. Does Lego sink or float? We'll find out.

Contestants learn that there will be a twist with every challenge this week, so they must think on their feet to survive another week in the MasterChef kitchen. Two twists really stir the pot.

In this episode's take-away elimination challenge, contestants must make a dish that will stand the home delivery test. Contestants have 90 minutes from the start of the cook to completed delivery.

The ultimate challenge comes to life when the contestants are blown away to discover it's all about Star Wars! Not only do they get to build their favourite ships, but are thrilled when a new Star Wars Lego Brick Pit is revealed.