In the series finale Adrian reflects on his time spent at the trust. Meanwhile, it seems "love" is in the air when Toffee, the male puma, makes his attentions known to Crunchie.

Adrian and Terry have a close encounter with twin snow leopards Shen and Sharma. Meanwhile, the love triangle between Cato, Omega and Nina continues to play itself out.

Adrian captures the snow leopards in their full glory, as winter has arrives at the Cat Survival Trust. Meanwhile, Terry carries out all-important health checks on the big cats.

Adrian goes on a road trip with Terry to Exmoor Zoo to collect a new male puma called Toffee to mate with the Trust's two resident females. But will he be able to woo them?

Terry Moore brings Adrian Cale up to date on Irbis's labour. Meanwhile, looking to the future and the breeding project, Terry turns to the young Snow Leopard Nina.

Adrian Cale follows snow leopard Irbis as she gets ready to give birth to her third litter. Meanwhile, some of the other females are moved to a newly built breeding enclosure.

Just outside of London is the Cat Survival Trust, which has the largest collection of snow leopards outside of Asia. Meet the team who are trying to safeguard their future.