Joyce is readying to leave Danger Bay behind her but when the Roberts are taken hostage she has time to think it over.

George and Grace worry about the Roberts and go to help them meanwhile Joyce has to contend with other problems.

Grant has to take action after a sick and contagious seal is removed from the aquarium by a group of ecologists.

Jonah helps his friend Billy, a young deaf boy, overcome his fear of water.

Dealing with animals is always tricky, but an orangutang who can't control her temper is something different. After trying various ways to help her keep calm, George finally find out they all she wanted from the start was a companion.

A training survival course proves to be more than Nicole wants when things go wrong.

While J.L. is flying her plane she encounters a storm which leads to her crashing. On board the plane were Grant and George who were injured. Back in Danger Bay, Grant's children and Grace must face the possibility that the search party may not find the missing men.

J.L. is stopped by the police and in the compartment of the helicopter wildlife skins are found. It is up to Grant to prove J.L. innocent and bring down a smuggling ring.

The annual bathtub race arrive in the strait of Vancouver and Nicole and Jonah want to enter. The adults see the possibility of getting extra sponsors for the aquarium. With three new sponsors and three new bathtubs a rough ride awaits Jonah, Grant and J.L.

Someone has been importing exotic snakes after Nicole goes to the river with J.L. and finds a coral snake. They need to find out who is bringing them in and stop them.

Grant and his family spend the weekend at a friend's ranch to investigate why his cattle are dying.

Grant is busing preparing for the Chinese president who is going to visit the aquarium. The children though feel left out as they are not getting the attention that they need and turn to J.L.

A boat has to be placed in quarantine after a bengal tiger is found to be carrying the plague. Grants agrees to help the crew and the tiger to recover.

Once again there is polluted water and Nicole and Grant must find out who is responsible. They find that the reason behind the pollution came down to money.

A friend of George, who has isolated himself from people with his pet skunk, becomes center spotlight when he saves the life of a small boy, making people look at him differently.

Jonah and Nicole become suspicious of their father after he starts being secretive. Unknown to them, Grant has been sent on a secret assignment from the state to prevent a massive pollution.

Grant helps Lester Hawkwell prove the Koi fish he purchased was fake.