The staff welcome a pair of endangered Sumatran tiger cubs; a giraffe suffers an adverse reaction to anaesthetic; and the zoo hosts its first wedding ceremony.
A red panda prepares to give birth; a snow leopard cub needs round-the-clock care; and a keeper retires after 40 years.
A baby mangabey monkey is rejected by its mother; the gorillas move into their new rainforest home; and meerkats are brought to the zoo.
An Asian elephant becomes a handful for the females in the herd; the keepers discover a sea lion is pregnant; and a sea lion pup receives its first swimming lesson.
The staff celebrate the birth of baby monkeys; zookeepers try to cure an orang-utan's mysterious cough; and a giraffe requires a leg operation.