14/20 Ben Fogle and Kate Humble meet rats that are trained to hunt for landmines.
13/20 Malaika has been kicked out of the lions' den as her mum has a new litter to care for.
12/20 A new sea lion baby is born by the lake and mum doesn't want anyone too close.
11/20 Winkie the one-wheeled tortoise needs roadside assistance.
10/20 While Ben gives tigers Sonar and Kaddu their tea, the lion cubs face a challenge.
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.
1/10 Ben Fogle and Kate Humble learn to tell a spur-thighed tortoise from a Hermann.