TV-PG. The Wilson sisters begin their epic journey with wild Kaimanawa horses. It's life and death at the muster, with plenty of surprises so how many can they save? There'­s just 150 days to tame and train their Kaimanawas for the Wild Stallion Challenges.

TV-PG. The Wilson sisters face up to the wild stallions they saved from the muster. But threatening charges and defensive bites are very real and present dangers as the difficult work begins.

TV-PG. It's a tough introduction to life on the Wilson'­s farm for the wild Kaimanawas, with big shocks in store. Differing success ramps up competition between the sisters. Amanda pulls a fast one on their unsuspecting builder.

TV-PG. Vicki rides the rollercoaster of success and heartbreak as a daunting situation forces a decision. Kelly takes Vicki up on a bet. Amanda hits a new low. And there's an emergency dash to hospital.

TV-PG. Floods and pony camps collide, creating a showdown situation. Kelly surprises everyone. Vicki gets adventurous with Argo. Amanda faces a major hurdle with Hoff and why has Nikau become a bucking broncho?

TV-PG. A blow for Vicki's challenge chances. A cowgirl escape to the wild west, and a return to the central plateau. So who gets to go on holiday and will the Kaimanawas run for the hills?

TV-PG. The countdown is on with the national Stallion Challenges just weeks away. The girls put their Kaimanawas to the test with their first public outing. But is the busy demonstration and book launch too much too soon for the wild stallions?

TV-PG. The Stallion Challenges are finally here as last minute preparations rattle the sisters. Can the horses perform on cue or will they buck and run? And will the Wilson's ultimate goal of raising the Kaimanawas' profile to save future generations be realised?