Two adorable tiger cubs need to move to the adult exhibit; a silverback gorilla receives pioneering treatment to curb his worsening eyesight; 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; Mert the Goose takes a field trip.
The future of the American bison depends on a high-stakes race across the country; the reptile staff have their hands full with a diamond rattlesnake that needs to be medicated orally; training a pair of cheetahs to walk the grounds of the zoo.
The Zoo's huge male sea lion is in rut, and staff need to move the younger males before he becomes territorial; the veterinary team come up with a solution to repair Dinky the Flamingo's broken ankle; feeding a rock python proves challenging.
The birth of a little blue penguin causes a sensation at the Bronx Zoo; the veterinary team scrambles to figure out what is wrong with Snowball, a snow leopard; 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; a King Cobra arrives at the zoo.
Leo, a snow leopard rescued from Pakistan, has 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 Fennec 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.