The Zoo (2017)

In the Season 2 premiere, a kangaroo suffering from chronic arthritis tries cryotherapy; a large group of rambunctious gharials are trained to patiently wait for their food; and a tiny pygmy marmoset gives birth to an even tinier baby.

Keepers struggle to introduce two tigers as mates; a pair of African porcupines require delicate handling; and a pregnancy check on a 3000-pound rhino calls for some highly specialized equipment.

The brown bears keep tearing up their exhibit, leaving zoo staff scrambling for a solution; Armani, the aardvark, gets treated for a tooth infection which has dampened her enthusiasm for digging; and a group of burrowing owls prepare to move.

Trust and experience are put to the test when an elephant requires delicate veterinary treatment from her keepers; endangered pink pigeons need all the help they can get to produce offspring; Monty the otter needs to visit the dentist.

Lorises have a tiny window for breeding, so staff anxiously help a potential pair connect. The veterinary team develops groundbreaking techniques to treat the stoic pigeons. An okapi with a limp gets a helping hand.

The last polar bear in New York City is showing his age, so staff make sure he gets all the attention he needs; a trio of red ruffed lemurs prepare for their big debut; a new exhibit is constructed for the hellbender, a giant amphibian with a bad reputation.

A pregnant African wild dog has the staff anxiously preparing for the big day; zoo director Jim Breheny steps in to help a keeper learn how to handle a golden eagle; a new tree in Jungle World gives the gibbons a new world to explore.

The ingenuity of zoo staff is put to the test as they devise a treatment for a newborn snow leopard cub struggling to walk; and a group of surprisingly adorable Rodrigues fruit bats are trained for a big move.

The squirrel monkeys play hard-to-get with the Children’s Zoo’s keepers; a pair of Komodo dragons meet for the first time, with explosive results; and the Inca terns prepare for their first big flight.

Surgery on a silverback gorilla's broken canine reveals a more serious medical issue; love develops between two birds-of-paradise; dozens of venomous tarantulas keep the staff on their toes.