In Australia, Ellie meets Danny the baby koala in need of round the clock care, and Neil, a tiny orphaned wallaby, whose carer Stella believes Neil may die from stress if she can't find him a companion.

In Costa Rica, Max is with Newbie, a baby three-toed sloth battling with pneumonia. Wildlife manager Sam is doing all she can to help Newbie beat the infection and get back to the rainforest.

In Australia, Ellie meets Stacy, the baby wombat with a big personality. Carer Sue looks after her in the family home, but stubborn Stacey can be quite a handful. And in a wildlife rescue centre in Costa Rica, Newbie the baby three-toed sloth continues the battle with pneumonia and her rehabilitation, and Al, a laid-back anteater, needs to learn the knack of dealing with aggressive jungle ants.

All of them are on a challenging journey back to the wild, where they belong.

In Zimbabwe, Lucy Cooke meets Moyo, a baby elephant who has been living with carer Roxy since he was just a few days old. In Costa Rica, Patrick Aryee meets Robin, an orphaned anteater who must prove to surrogate mum Pedro that he can fend for himself before he can return to the rainforest.

In Costa Rica, Patrick Aryee meets Monster, an orphaned sloth, who was found by the roadside alone and scared. In Zimbabwe, Lucy Cooke is meeting precious lion cubs Africa and Alika who have to learn how to hunt like wild lions.

In Costa Rica, Patrick meets Santino, a baby howler monkey who was rescued after being kept by children as a pet. In South Africa, Lucy meets Shelley the cheetah, who was hand-reared after being rejected by her mum.

In South Africa, Lucy meets Manji, an orphaned white rhino who nearly died when he and his mother were attacked by poachers for their horns. In Costa Rica, Patrick meets Mandi the tapir, an orphan who's a real handful.