Rani tackles Genghis Khan, Attila the Hun and Vlad the Impaler - the warthogs! Johny faces something small, furry and much scarier when he helps weigh and measure the tarantulas.

Meanwhile, four lucky kids get to feed four lion cubs, and Hansel the lonely armadillo goes looking for a mate. Plus there is a life-or-death drama when Imogen the giraffe needs a vital operation. Show less