Could love be in the air in Koala Creek? Kate Humble and Ben Fogle listen in to the extraordinary noise of koalas bellowing, which is a good indication that the quartet are ready for romance. But has the accident-prone Dennis got what it takes to woo the trio of girls, and why is he flirting with helicopters? Jean Johansson finds out how Longleat’s loved-up giant otter duo Gordito and Inny are getting on and helps out with some diversionary tactics to stop these two golden oldies wreaking havoc in their new home. But there’s worrying news in the Tiger House where another great old lady, Soundari, has been diagnosed with cancer. Will she be strong enough to endure the surgery? Kate is experiencing a first in Wolf Wood as she helps to put the European grey wolves’ stamina to the test and discover just how the pack dynamics work to make them so ruthlessly efficient in the wild. Ben investigates the mystery of just what marauding villain is attacking aardvark Frankie. She’s a creature known to have one of the toughest skins in the animal world, so what on earth is bugging and biting her and making her so poorly?