The Aquarium

The dive team have a tricky job adding a large fixture into one of the tanks. Plus, the vets fix a penguin's broken leg.

This Aquarium is the only place to house whale sharks in North America. The team need to do a blood test on one of them. Plus, the team eagerly await a penguin to hatch.

One of the blacktip reef sharks is not eating properly, so the staff try to work out why. And, the aquarium's sea lion, Scarlett, graduates from pup kindergarten.

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. Also, feisty baby American alligators arrive at the aquarium and must learn to eat in an orderly way.

Trainers get two rescued sea lions ready for eye surgery. Meanwhile, intelligent giant octopus, Ophelia, needs attention and the team head to the Bahamas.

Two African penguins have been together for 25 years, but one is now having problems with his eyes. Plus, a piranha needs surgery on his mouth.