Hannah and Cathy of Auckland are first to cook.

Laurence and Paul create a meal for the judges and the rival teams.

Monique and Henry create an instant restaurant in Hawkes Bay.

Mother and daughter team Cheryl and Ruth cook in Rangiora.

Travis and Jeremy create the last Instant Restaurant of the round in Macraes Flat.

Jay and Sarah prepare a three-course dinner in Hamilton.

Lauren and Simon cook in Palmerston North.

William and Zoe create their Instant Restaurant in Auckland.

Sisters Kimberley and Brooke cook at their Manawatu farm.

Katrina and Natasha prepare the last instant restaurant of group 2 in Auckland.

The teams prepare food for a charity barbecue challenge.

Six teams compete in a rapid cook-off to determine which of them will go to sudden death.

The bottom four teams compete in a sudden death challenge.

The teams cook for rugby players in a People's Choice challenge.

The teams compete in a beef and lamb cook-off to avoid a sudden death challenge.

The bottom four teams compete in a sudden death challenge

The top five teams prepare a five-course dinner at Auckland's Pakuranga College.

Two teams compete in the first semi final for a spot in the finale.

In the second semifinal, the remaining two teams compete for the last spot in the finale.

The finalists prepare 5 courses for the judges and guests.

It's instant restaurant time. In Waikato, modern-day hippies Neena and Belinda try to impress judges Ben Bayly and Gareth Stewart and four rival teams with their best three course dinner.

Dan and Sam, the youngest contestants, try to impress the judges.

June and Steph face kitchen conundrums and a lost ingredient.

Newlyweds Christie and Dan work a Mexican-themed restaurant in snowy Dunedine.

Tracey and Neil host the final round before elimination.

Aaron and Heather kick off group two and try to set the bar for the other competitors.

Ian and his wife Sandie must prove their worth after talking big last round.

Jessie and Ricki enjoy their triumphs and work through tears and tantrums.

Josh and Aaron try to cook their way into the top three to avoid the dangerous fourth spot.

Sisters Kelly and Megan are under pressure to impress; the judges reveal a shocking twist.

Mothers Theresa and Joelle struggle to plate up in a chaotic kitchen.

Tracey and Neil aim to improve over their previous 57 points this time.

Josh and Aaron are determined to score higher than their previous 68 points.

Maura and Steve try to impress with their restaurant's look in addition to the food.

Dai and Dal create a unique Laotian-style restaurant; the judges reveal a twist.

Teams split into groups to cook a healthy meal for the children of Auckland's Ronald McDonald House.

Teams face their first cook-off to determine who will enter the elimination round.

Two teams face off in 90 minutes to prepare and serve an entree to 4 special guest judges.

Teams must cook for 150 people in 90 minutes to avoid the elimination round.

Teams have 45 minutes to cook; the bottom three teams will move onto the showdown.

The bottom 4 teams face elimination as they cook for judges Ben and Gareth and four guest judges.

The 6 remaining teams aim to please as they prepare lunches for the judges and eight mystery guests.

As teams compete to avoid sudden death, a twist in the challenge throws them off their game.

The bottom two teams face sudden death as they cook for Ben, Gareth, and four guest judges.

The top five teams compete in a people's choice pizza challenge in Auckland to avoid sudden death.

The top 3 teams compete in two challenges to find out who will continue.

The bottom 2 teams compete to impress judges Ben, Gareth, and four guest judges.

In the first semi-final, two teams compete to advance to the Grand Final.

In the second semi-final, the remaining teams compete for a spot in the Grand Final.

The last two teams prepare five courses each, but only one will claim the $100,000 grand prize.