Stealing the hearts of all who meet her, abandoned koala joey Gracie proves to be the cutest possible housemate to foster mother and keeper Annii, who has taken on her 24-hour care with maternal flair.

A six-month-old platypus has been brought in after being found in a children's playground. Emaciated and laden with ticks, it's all hands on deck to try and save him. Unit Supervisor Jake is doing the rounds and observing that sometimes love can take its time - in the form of a breeding pair of Galapagos tortoises.