Ziggy the cat has a big problem - he weighs almost a third more than he should. Chris needs to re-educate both the cat and the devoted owner, to ensure the cat's deteriorating health is not compromised further. Plus, a young French Bulldog's airways are so blocked it is having trouble breathing and needs surgery. At the Australian Reptile Park, Tim Faulkner helps train-up his staff to handle some of the world's most venomous snakes ... without anyone getting bitten.