The puppies are now six months old and are very busy developing their stalking livestock techniques and learning manners and basic calls.

With the 12 month experiment now complete, the Australian Border Collie siblings reunite to face their final challenge. It's neck and neck but one dog shines brighter than the pack and is crowned Champion Muster Dog.

It's spills and thrills as the puppies and trainers stumble and at times leap through the milestone challenges. Frank and CJ are going well but Joni, Aticia and Rob are off to a bumpy start.

Spanning the red earth of the Top End to the green pastures of regional Victoria, this new four-part documentary series follows five Kelpie puppies from the same litter on their journey to become muster dogs.

With the twelve-month experiment now complete, the Australian Border Collie and Kelpie siblings reunite for the first time to face their final challenge.

At ten months the dogs have hit puberty and are starting to show some teenage rebelliousness. There are mixed levels of success in the assessment, and one of our pups falls gravely ill.

Our six novice handlers and their pups step through the six-month assessment tasks under the watchful eye of our experienced mentors. They each grapple with training challenges and personal bonds, as surprises unfold.

At the eight-month mark, our novice handlers must face two stock-handling tasks without their dogs, testing their livestock skills, stock sense and ability to stay calm under pressure as the race heats up.

Mentors Mick Hudson, Joe Spicer and Joni Hall provide guidance to our trainers during their ten month assessments. With just months remaining, the competition intensifies as everyone strives to perfect their skills.

After a year-long experiment and a crash course in training a Muster Dog, our six rookies face their final tests. The competition is tight, but one exceptional dog claims the title of Champion Muster Dog.

In a high-stakes showdown between Team Collie and Team Kelpie, our six participants and their pups step through the five-month assessment tasks. They grapple with training challenges and personal bonds as surprises unfold.

The pups are starting to develop their own unique personalities and building a good bond with their owners, while training for the five-month assessment is well underway.