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.

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.