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.

• Ellie Harrison
• Max Hug Williams
• Lucy Cooke