The team is eager to open their new alligator exhibit featuring rare albino gators. Sea otter Gibson is tested for a possible infection, and divers must swim with Taroko the whale shark to get a blood sample.

The team welcomes two rescued southern sea otter pups, Mara and Gibson, from the California coast. Young ruddy ducks arrive at the aquarium and are introduced to their new habitat. Nandi, the aquarium's smallest manta ray, is due for a checkup.

The Georgia Aquarium sends a team to Cape Town, South Africa to help rehabilitate and release a group of African penguins. A dive team installs a shipwreck feature into the Ocean Voyager exhibit to provide an enrichment for their sea turtle.

A sea lion called Finn has tummy trouble and the team feeds him a snack that will help them investigate why; Big Mama, the guitarfish, may be living up to her name; the boa-duo, Ripley and Ridley, receive a new home.

The staff becomes concerned when Jupiter, the rescued sea lion is not himself. The Ocean Voyager exhibit awaits its new residents black-blotched Fantail stingray siblings, Bacon and Tomato, and Shelley the shy box turtle makes friends.

Trainers prepare two rescued sea lions for eye surgery. The team travels to the Bahamas to collect blood samples from native sharks for a study on the effects of plastics in the ocean. Staff devise new enrichment for giant octopus Ophelia.

The staff becomes concerned when Zola, the beloved African penguin falls mysteriously ill. Later, the aquarium witnesses the annual spawning of an endangered coral species, while Maggie the False Map turtle has a date with the dentist.

Technology is brought to the aquarium to monitor beluga whale activity; Maggie the small-clawed otter's training kicks in when receiving a shot and Morty the sea star has a checkup after suspicious growths form.

Beloved Asian small-clawed otter Pinkie has a recurring bloody nose, and the team goes to great lengths to find out what could be causing it. Feisty baby American alligators arrive at the aquarium and must learn to eat in an orderly way.

A staff member heads to the Marine Mammal Center in California to help rehabilitation efforts of elephant seals. African penguins Charlie and Lizzie have been together for 25 years, and Charlie is having issues with his eyes. A piranha needs surgery.