Alex rides along with wildlife rescuer Ruth Lewis, to rescue koalas in distress. Just yesterday Ruth had five calls to go out on. So far today has been quiet but her phone rings so off they go to rescue an orphaned baby they spot up in a tree. Back at the clinic, Ruth checks the wee one over, and we see other patients there. One koala wears a full arm cast, after being hit by a car. She'll be okay and it's thanks to people like rescuer Ruth, and Alex spreading the word!