5x2 - Something New

October 10, 1988

A change in the family by way of a proposal means that everyone in the soon-to-be-new family must learn to deal with change.

5x3 - The Birdman

October 17, 1988

While volunteering at a wildfowl sanctuary, Nicole meets an agoraphobic ornithologist whom she must convince to operate on an injured falcon.

5x4 - Second Honeymoon

October 24, 1988

When Grant contracts the chicken pox, J.L. pledges to nurse him back to health ""for better or for worse."" Meanwhile Nicole and Jonah investigate a large number of fish deaths near a rural river.

5x5 - Harry's Ark

October 31, 1988

When a monkey given to Nicole goes missing, her and Jonah discover a menagerie of wild animals belonging to a mild-mannered animal lover who rescues unwanted pets. When the city is forced to shut down the man's make-shift shelter, Grant races to save them all from destruction.

5x6 - Blues for Adam

November 7, 1988

Nicole takes on a job babysitting to earn extra money, but faces quite the challenge in her rebellious blues-loving charge, Adam. When the boy tramples a nest of unhatched geese eggs, the Aquarium staff must work throughout the night to save the goslings' lives.

5x7 - Expert Witness

November 14, 1988

When his research proposal is inexplicably turned down, Grant resigns from the aquarium and tries to figure out why a power-wielding scientist is trying to blacklist him in the scientific community.

5x8 - After Dark

November 21, 1988

The Aquarium receives a generous donation of exotic fish and equipment as part of the last will of an eccentric millionaire. While Nicole and Jonah take a group of kids on an overnight expedition to the Aquarium, the millionaire's scheming sons decide to break in to claim what's rightfully theirs.

5x9 - Skywatch

November 28, 1988

When Nicole and Grant come across an abandoned truck full of toxic waste in the forest, they organize a Skywatch using J.L.'s pilot colleagues to keep an eye out for companies illegally dumping their waste products.

5x10 - Fire Jumper

December 5, 1988

Jonah attempts to join a forest fire fighting unit as a summer job, but his fear of fire stands in the way. He is forced to put his fears behind him in order to help a little girl stranded in the middle of a raging forest fire.

5x11 - The Rally

December 12, 1988

Jonah becomes jealous of his girlfriend's seeming interest in his new friend Larry, and his anger comes to a head when the duo join forces for their high school's annual car rally competition.

5x12 - The Return of Sugar Ray

December 19, 1988

Grant and Jonah tackle a pair of bear poachers on a routine survey of the local population.

5x13 - Racing Against Time

December 26, 1988

The Roberts family tries to uncover who has been secretly drugging the prize-winning racehorse of one of Nicole's friend's, causing her to loose an important race.

5x14 - Chanda

January 2, 1989

When Jonah & Nicole witness an elephant become spooked & rampage during a magic show, they bring in Grant to determine what is causing the animal distress. While they try to help her, her original owners scheme to get her back.

5x15 - Where the Buck Stops

January 9, 1989

Grant goes up against a corporate businessman whom he believes is responsible for a garbage scow leak that caused loads of damage to a local ecosystem; Nicole wages her own battle against the businessman's granddaughter in a student council election.

5x16 - Shaughnessy Island

January 16, 1989

5x17 - Open Book

January 23, 1989

While doing a school project, Jonah befriends a refugee from Vietnam whose own tragic past is complicated by the bullying and taunting of his prejudiced classmates.

5x18 - Up the Coast

January 30, 1989

Jonah takes Adam to the open waters to record the sounds of whale communication where they come upon a father & daughter whose inexperience in the outdoors nearly leads to disastrous consequences.

5x19 - One Black Dog

February 6, 1989

The sudden appearance of a stray dog with apparent powers of premonition fuels the battle between science and the paranormal among the Roberts clan.

5x20 - Before the Mast

February 13, 1989

Jonah and Nicole enlist aboard a schooner and must prove themselves to its skeptical captain.

5x21 - Murder at the Aquarium

February 20, 1989

Mayhem abounds at the Aquarium as the staff holds a weekend murder mystery with the staff & their families playing the various roles involved. Added to the mix is an escaped convict who is swept up into the mystery while trying to evade the law.

5x22 - Catch a Falling Star

February 27, 1989