5. Series 6, Episode 5

Strange things are happening at Leopard's Den - a cracked mirror, elephants and lions seen miles away from their normal locations and dead crocodiles in a river - Danny and Alice have to work fast to discover the cause of the mysterious happenings before more animals die. Meanwhile, whilst cleaning out the house rubbish, DuPlessis finds a pregnancy kit and jumps to the wrong conclusion. This leads to a surprising revelation.