Two adorable tiger cubs have outgrown their keepers and need to move to the adult exhibit. A silverback gorilla receives pioneering treatment to curb his worsening eyesight. And a passionate keeper plays matchmaker to a peculiar pair of birds.

A tomistoma, a freshwater crocodilian, stops laying eggs and a team of keepers scrambles to treat her. The veterinary team has to rescue a baby antelope that isn't getting the care it needs from its mother. And Mert the Goose takes a field trip.

The zoo's conservation work with American bison involves an embryo transfer program between two herds thousands of miles apart. Meanwhile, a diamondback rattlesnake fighting an infection requires oral medication; and the Ambassador Center staff trains two cheetahs to stroll comfortably among humans on the grounds.

The Zoo's huge male sea lion is in rut, and staff need to move the younger males before he comes territorial. The veterinary team come up with an ingenious solution to repair Dinky the Flamingo's broken ankle. And feeding a rock python proves challenging.

The birth of a little blue penguin becomes causes a sensation at the Bronx Zoo. The veterinary team scrambles to figure out what is wrong with Snowball, a snow leopard. And the exhibits team designs an exhibit for the newly arrived blue iguana.

To help love bloom between two kiwis, zoo staff build an elaborate hut into which they introduce a pair of potential mates. And, when a King Cobra arrives at the zoo, keepers have their hands full training him to move from the exhibit to a holding pen.

Leo, a snow leopard rescued from Pakistan, is having trouble eating because of a broken canine. the bird department works feverishly to restore a beehive for the bee-eater birds. Ambassador Center staff work with an adorable Fennex fox named Charlie.

Zoo staff make the journey to east Africa to return to the wild thousands of toads they helped rescue from extinction. Utu, the test-pilot giraffe, tries out a new piece of equipment. The bird department works to save the lives of millions of birds.

An in-depth behind the scenes look at the animals of the Bronx Zoo.