Ocean Girl - Season 4 - Eps 25: The Blood Test
As Praxis again prepares to launch their nuclear torpedo at the pyramid, commandos storm ORCA allowing Shersheba and Malakat to seize control of the station. Convinced Charlie holds the key to defeating the red virus, Jason and Neri obtain a blood sample from him for testing. Jason returns to ORCA to find Shersheba in command. Suspicious of him, Shersheba asks Ilona to find out what he's up to. With all ORCA personnel confined to their quarters, Cass and Brett sneak through the air ducts to the lab so that they may test Charlie's blood for antibodies to the virus. Ilona overhears their plans and tells Shersheba who burst into the lab and seizes the cure to the red virus. Ilona and Shersheba return to the pyramid to tell Malakat of the cure, crazed with power Malakat reveals his true colours forcing Shersheba to flee with the cure taking it back to the Ocean Planet. Ilona joins Neri and Mera back on the island as Neri is resolved to sacrifice herself in order to destroy the pyramid.
About Ocean Girl

Title: Ocean Girl
First Air Date: 1994-08-29
Last Air Date: 1997-12-22
Status: Ended
Rating: 7/10 (from 11 votes)
Language: EN
Seasons: 4
Total Episodes: 78
Network: Network Ten
Genres: Drama, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Unknown
Synopsis
Ocean Girl is an Australian science fiction TV series aimed for family audiences and starring Marzena Godecki as the lead character. The show is set in the near future, and focuses on an unusual girl named Neri who lives alone on an island, and the friendships she develops with the inhabitants of an underwater research facility called ORCA. The show is an example of deep ecology science fiction.
Cast

Marzena Godecki
Neri

David Hoflin
Jason Bates

Jeffrey Walker
Brett Bates

Lauren Hewett

Kerry Armstrong

Liz Burch

Anthony Hayes

William McInnes

Christopher Kirby

Kristy Barnes Cullen