We meet the adorable pint-sized pups beginning their journeys – the Police R litter, some cute mobility pups,

baby biosecurity beagles and Labrador guide dog pups.

See what trainee Land Search and Rescue snow pup Echo gets up to when summer kicks in. Plus, we play go home, stay home with some more Mobility pupsters.

We meet a German Sheppard who's one great Dane, there's Mobility mosh pit mayhem, and Corrections pup Willis makes his debut.

Get busy with Police pup Nismo! Plus, tragedy strikes for Mobility favourite Fletcher.

Is fizzy Nizzy ready for his first big training course? It's no brain, no gain for Corrections pup Willis and meet the latest batch of Blind Low Vision wannabe guide dogs.

Police pooch Nizzy hits the ground running. It's assessment time for Mobility pups Cedric and Fletcher. And how will Blind Low Vision poodles fare in their puppy class?

Police pup Nizzy shows what he's made of, Biosecurity Beagles stick their noses exactly where they belong, and what happens when Mobility pup Cedric doesn't stick to his eating plan?

Has prison straightened out party boy Arlo? And will Biosecurity Beagles Nitro and Nemo be ready for matching?

Season Finale: Will Police pup Helo go out with a bang? What's in store for Zola the Poodle? And has Mobility pup Barney grown up enough to be ready to get a job?