Kaddu the tiger goes under anaesthetic and Ben Fogle learns how dangerous giraffes can be.
Kate prepares a thorny treat for the giraffes and Ben is on the run with the pygmy goats.
Ben Fogle and Kate Humble learn to tell a spur-thighed tortoise from a Hermann.
Baby giraffe Gertie is being obsessively groomed by her mum.
A look at how some animals and plants go to extremes to give themselves a chance to breed.
Ben Fogle attempts to get within inches of two of the park's most dangerous animals.
A rhino's life-threatening arthritis and a giraffe's bad leg are examined.
There's life and death drama on Meerkat Mountain, where babies are imminent.