9/20 Romeo the otter has a problem in his mouth that could be life-threatening.
8/20 Keepers help inoculate endangered Grevy's zebra against an outbreak of deadly anthrax.
1/20 Keepers perform an emergency caesarean on Imogen the giraffe.
9/20 Ben Fogle is on safari using a secret 'bouldercam' camera, learning about rhino dung.
8/20 Ben meets up with new baby camel Elvis, while Kate gets up close to the new wolf cubs.
10/20 A hidden 'carcass-cam' shows the ruthless efficiency of the white-backed vultures.
1/10 Ben Fogle and Kate Humble learn to tell a spur-thighed tortoise from a Hermann.