It's the hottest day of the year and the zoo's keepers are busy delivering ice lollies to keep the animals cool. The baboons, elephants, and lions are all loving their icy treats, but Gorilla Island seems to have been mysteriously missed off the keeper's ice lolly list. Silverback Jurgen is getting seriously hot under the collar at the oversight until an unexpected rubbish bin turns up and it is keepers Matt and Craig's turn to get hot and bothered.