Seasons & Episodes
The Girl in the Sea
Dianne Bates and her sons Jason and Bret come to the underwater base ORCA for six months. They meet Winston Seth which i
Set Adrift
Vanessa Lane comes to ORCA and ends up in the same class as Jason. Brett, Zoe and Froggy play a trick on Vanessa and she
Wall of Death
Jason gets his boat license and goes out to sea to sink a drift net. Charlie gets stuck in the net and Neri tries to sav
The Earthquake
Vanessa and Jason go out on a mission with the boat but Neri warns Jason that an earthquake is coming, so they return. C
Human Tears
Brett's birthday party proves to be a big hit with his friends but Brett is disappointed when he doesn't receive a gift
Property Developers!
Jason's frequent use of the boats results in Commander Lucas banning him from using them for a period of one week, effec
Toxic Waste
Neri brings Jason's attention to a toxic dump in the ocean that is making Charlie sick. When Jason is reprimanded for le
Day Pass
Jason agrees to show Neri his and Jason's home on ORCA. After steeling one of Vanessa's uniforms and obtaining a fake ID
Romance
As the kids are preparing for their shore leave to Port Jackson, Neri makes a surprise visit that forces Jason and Brett
Major Breakthrough
New monitoring equipment allows Dianne and Winston to hear Neri's communications with Charlie but when the tag on Charli
Industrial Spy
Dianne asks Neri to help with her research on whales, Dianne is especially curious as to how Neri is able to communicate
Neri's Secret
The spy takes the stolen whale recordings back to Dr. Hellegren at UBRI—Hellegren wants to be the first person to
Tough Decision
Jason and Brett round up their friends to help rescue Charlie, but Jason must also tell them the truth about Neri. Diann
The Return
Jason and Brett eagerly await the return of Neri and Charlie–as does UBRI's Dr. Hellegren who wants to study just
Where No Whale Swims
Neri makes her first visit to ORCA since her return, and tells her friends that she wants to discover who ""her people""
Fathers Message
After locating an underwater entrance to the spaceship, Neri and Jason enter the craft where they find some of her fathe
Records and Recollections
The search for Neri's sister Mera is underway. Mick asks Froggy to use his computer to change his grades but Froggy won'
Mera
The kids locate Mera. Her adopted name is Jane Seaforth, and after being bounced from foster family to foster family, sh
The Institute
Jason, Brett, Froggy, and Zoe return to the institute to get Mera but Dr. Hellegren arrives there as well wanting to tak
No Place Like Home
Mera is having a difficult time adjusting to living on the island and Neri leaves her alone while she goes to help with
Our Island
Suspecting a connection between Neri and Jane Seaforth, Dr. Hellegren sends UBRI agents Forsyth and Liselle to ORCA to l
Underwater and Undercover
Neri returns to help Dianne with her oceanographic survey leaving Mera alone on the island to face a UBRI search party t
Secrets Out
Prior to leaving on the final survey mission, Dianne learns Commander Byrne has assigned Froggy, Zoe, Joanne, Rocky and
Sabotage
Jason takes Neri and Mera swimming off the ORCA platform. Mick finds out and heads out on a jetski, he falls off and mus
The Arrival
Neri leaves ORCA intending to save Mera and Charlie by giving herself up to UBRI. Brett chases after her, gets into an a
Return
Neri and Mera make the decision to return to the Ocean Planet and convince Diane that her research must continue. Froggy
Danger in the Reef
Winston calls Diane and her sons back from their vacation informing them that UBRI has won the contract to construct ORC
Amnesia
Brett talks Jason and Neri into looking for a way into the spacecreaft they found buried on Neri's island their searc
Draining the Spaceship
Jason and Brett steal a pump from UBRI supplies on ORCA so they can pump out the spaceship. Cass and Brett trade practic
Kal Who Knows No Fear
Jason and Brett are about to force the chamber open when Neri finds the controls that open the chamber and revive it's o
Diving Around Obstacles
Concerned about Kal's development, Neri asks Jason to talk to him. After telling him to stay on the island, Kal follows
Winston and Water
Hoping to keep Kal from making any return trips to ORCA, Jason suggests to Neri that she show him around the spaceship w
A Super-Sportsman
Neri goes to ORCA to see how Jason and Brett are going with their search for the Synchronium. Dianne takes the opportuni
Extraterrestrial Abilities
Neri awakes on the island to find Kal missing, he's gone to ORCA. Jason and Brett introduce Kal to Diane and Winston. Sh
The Capsule in the Desert
Brett locates another piece of Synchronium but interrupts Jason's training exercise to tell him the news. UBRI has also
Benny in Trouble
Neri moves the Synchronium piece to her secret underwater cave to keep it safe. Benny's father chastises him for spendin
Cassandra's Nightmare
A trip to ORCA prompts a discussion between Neri and Kal about feelings. Cass is beginning to remember about her time on
The Helicopter Exam
Neri continues to teach Kal about feelings. Cass is still having her dreams about her time on Neri's island and now reme
Lena's Betrayal
Neri receives a message from Mera in a dream warning her that time is running out. Neri goes to ORCA where she warns Dia
Changes
HELEN is not being cooperative in the kids' search for more pieces of the Synchronium. Meanwhile, UBRI has located anoth
The Spy
Winston is excited about the arrival of Camilla Sabato (Robyn Gibes) to ORCA, she is a science writer but more important
Gamma Level: Radioactive
Dianne demands that a tribunal hearing be convened to stop UBRI's development, but Hellegren argues that there is no con
Charlie is Stranded
Brett tries unsuccessfully to get Kal to come out of the spaceship. Dianne is granted a tribunal hearing to voice her co
The Love Letter
Kellar shows Dr. Hellegren the footage she took of Kal on the sandbar, he quickly recognizes who Kal is and wants to cap
Jason and the Abyss
Neri continues to look for Ka but Jason suggests Kal is just trying to teach them a lesson by staying away. Neri receive
Eavesdropper
Kal is in the lap of luxury at UBRI, his room filled with all sorts of toys and games. Kellar, making reference to his f
Water in the Desert
Neri has Kal promise not to leave the island again. Lena uses HELEN to locate another piece of the Synchronium. Mera app
The Safe Deposit Key
The cadets' exam results are in and after looking at her's, Sallyanne tells Jason he would be better off with another pa
The China Man
A large quake hits keeping Lena from accessing HELEN to look for more of the Synchronium. Cass and Benny sneak into the
The Stone Fish
Budds The growing frequency of the seismic tremors causes Commander Wellington to call for voluntary evacuations of ORCA
Time Bomb in the Jungle
The effects of the new ""Winston Seth"" fault line are being felt all around the Pacific Rim as evacuations on ORCA are
The Last Chance
A large quake prompts the commander to call for an evacuation of all ORCA personnel under the age of 18. Dr. Hellegren i
Operation Sphinx
Brett and Jason are out testing a new diving suit when Jason encounters a strange bright light while under water, the pa
The Mysterious Pyramid
Dianne is at ORCA Pacific headquarters for her interview, she is surprised to discover her exhusband in the role of inte
The Transport
Neri, Jason, and Brett wander into an archeological dig and meet Professor Malakat and Shersheba. Finding the minifin ab
The Golden Ankh
From the DNA sample obtained from a strand of Neri's hair, Praxis identifies Neri as an alien and makes her capture thei
Stranded in the Desert
Leaving the cave to find help, Jason is found by Jackhammer who drives him back to the others but won't take them with h
The Lie Detector
With Jason and Brett back on ORCA, agents Shelby and Hauser arrive soon after looking for Neri. Praxis locks down the ba
The Bug
Praxis closes in and apprehends the kids at the farm. Jason and Brett are returned to ORCA while Neri is transported, by
A Wrong Friend
Shersheba makes a surprise visit to ORCA and Dianne gives Jason the task of showing her around the station. Louis pester
The Hunt for the Golden Ankh
Praxis's return to ORCA prompts Cass and Brett to seek Winston's help to delete all of Helen's records of Neri. Louis ob
The History of the Whale Woman
Jakamarra takes Jason and Neri to where he has hidden the Golden Ankh. Malakat is able to determine the location of the
Cheat
Neri is taken back to Praxis headquarters where she is interrogated. Neri's captures prompts Jason to put the Ankh out o
Imprisoned in the Bunker
Malakat and Shersheba attempt to unleash the power of the pyramid by are told by Shalamorn that the Ankh must be prepare
Attempt at Revival
Neri is brought back to ORCA but she cannot be revived. Malakat and Shersheba successfully charge the ankh. Praxis destr
The Snake Bite
Jason and Winston climb the mountain on Neri's island to install surveillance equipment. Making their descent, Winston i
A Spirit Appears
Jason and Brett return with Neri to their father's farm for Jason's birthday but soon after arriving Paul is called away
Helen Learns the Laughter
On the Ocean Planet, Mera is pursued by the rebels but is able to reach safety in the Pyramid of the Elders. A group of
Mera Escapes to Earth
Mera's spacecraft splashes down in the ocean and as she swims to the surface she is surrounded by Commandoes. Seeing the
The Race
Richter talks Elly Hauser into rejoining agent Shelby on newly a reopened Project Phoenix. Winston, Cass and Brett progr
The Attack
Shelby requisitions the minifin to get a closer look at the underwater pyramid, Diane assigns a reluctant Jason as his p
The Taking of Hostages
Budds Praxis begins moving their equipment onto ORCA, including several nuclear weapons. Jason and Brett travel to the u
The Red Virus
Paul and Brett Bates are given an audience with the Global Union's Madam President to voice their opposition to Praxis's
Before the Countdown
As the red virus spreads through the ocean, Jason must restrain Neri from going to Charlie's aid. Through the secret pas
The Countdown
With an attack against the aliens pending, all non-essential personnel are being evacuated from ORCA. Louis informs agen
The Ice Melts
With the melting of the polar icecaps well under way, Malakat prepares for the invasion of Earth with seeming ambivalenc
The Blood Test
As Praxis again prepares to launch their nuclear torpedo at the pyramid, commandos storm ORCA allowing Shersheba and Mal
The Queen
Asleep on her island late at night, Neri has a vision of her mother, she tells Neri that it is ""her time"" but Neri adm
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