Dianne Bates and her sons Jason and Bret come to the underwater base ORCA for six months. They meet Winston Seth whic...

Vanessa Lane comes to ORCA and ends up in the same class as Jason. Brett, Zoe and Froggy play a trick on Vanessa and ...

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 ...

Vanessa and Jason go out on a mission with the boat but Neri warns Jason that an earthquake is coming, so they return...

Brett's birthday party proves to be a big hit with his friends but Brett is disappointed when he doesn't receive a gi...

Jason's frequent use of the boats results in Commander Lucas banning him from using them for a period of one week, ef...

Neri brings Jason's attention to a toxic dump in the ocean that is making Charlie sick. When Jason is reprimanded for...

Jason agrees to show Neri his and Jason's home on ORCA. After steeling one of Vanessa's uniforms and obtaining a fake...

As the kids are preparing for their shore leave to Port Jackson, Neri makes a surprise visit that forces Jason and Br...

New monitoring equipment allows Dianne and Winston to hear Neri's communications with Charlie but when the tag on Cha...

Dianne asks Neri to help with her research on whales, Dianne is especially curious as to how Neri is able to communic...

The spy takes the stolen whale recordings back to Dr. Hellegren at UBRI—Hellegren wants to be the first person to c...

Jason and Brett round up their friends to help rescue Charlie, but Jason must also tell them the truth about Neri. Di...