Greta's attempt to separate her egg whites doesn't go exactly according to plan.
Matt steps in to give Zac a hand thickening his meringue mixture.
Lily and Harry appreciate that the only way to assess their progress is by tasting.
George, Anna and Matt are too busy wolfing down the pavlova to offer much in the way of feedback.
Harry, Chandler, Lily and Alysha prepare to fight for survival in the Pressure Test.
Junior MasterChef welcomes French whizz Guillaume Brahimi to unveil the Pressure Test dish.
Lily wonders how long her sauce has been on after her timer has timing issues.
Chandler carefully plates up his Pressure Test effort.
The judges console an emotional Lily and Chandler as they get ready to leave the competition.
The bewildered cheflings look on as the Mystery Box Conveyor Belt Challenge begins.
The conveyor belt continues to churn out the ingredients - anyone for garlic?
Zac looks horrified after George informs him that his salmon may be just a touch overcooked.
George leads Greta and Anna to the pantry for the former to choose the Invention Test's core ingredient.
Greta awaits the reaction of her fellow contestants after unveiling her chosen core ingredient.
The tasting process isn't always a pleasant one, as Indigo unfortunately discovers.
Greta shows Harry and the judges that she's one sassy customer.
Greta can't believe that she's through to Junior MasterChef 2011's final two.
Jack, Harry and Zac arrive at Sydney's Circular Quay, ready for their Opera House cook-off.
The boys looks cool and determined as they receive their semi-final challenge instructions.
Junior's semi-finalists sprint to grab their ingredients as the challenge begins.
Zac receives an unwelcome visitor in the form of a curious seagull.
Gary dispenses a few words of wisdom to help Harry on his way.
Harry readies the white truffle mash component of his main.
Gary makes sure that ocean-inspired Zac intends to seperate his seafood from his salt.
A tense Jack hopes enough time remains to pan fry his lamb cutlets.
The boys start plating up their mains with only minutes of hour one remaining.
Onto desserts, and Zac again struggles with the consistency of his meringue.
Zac starts piping the meringue onto his chocolate forest dessert.
The boys congratulate each other on a job well done with a round of high fives.
Matt and his fellow judges are delighted with the flavours set before them.
Jack is announced as the second finalist, with his competition standing right beside him.