Season 1
- The Girl In The Sea
- Set Adrift
- Wall Of Death
- The Earthquake
- Human Tears
- Property Developers!
- Toxic Waste
- Day Pass
- Romance
- Major Breakthrough
- Industrial Spy
- Neri's Secret
- Tough Decision
Season 2
- The Return
- Where No Whale Swims
- Father's Message
- Records and Recollections
- Mera
- The Institute
- No Place Like Home
- Our Island
- Underwater and Undercover
- Secrets Out
- Sabotage
- The Arrival
- The Return
Season 3
- Danger in the Reef
- Amnesia
- Draining the Spaceship
- Kal Who Knows No Fear
- Diving Around Obstacles
- Winston and Water
- A Super-Sportsman
- Extraterrestial Abilities
- The Capsule in the Desert
- Benny in Trouble
- Cassandra's Nightmare
- The Helicopter Exam
- Lena's Betrayal
- Changes
- The Spy
- Gamma Level: Radioactive
- Charlie is Stranded
- The Love Letter
- Jason and the Abyss
- Eavesdropper
- Water in the Desert
- The Safe Deposit Key
- The China Man
- The Stone Fish
- Time Bomb in the Jungle
- The Last Chance
Season 4
- Operation Sphinx
- The Mysterious Pyramid
- The Transport
- The Golden Ankh
- Stranded in the Desert
- The Lie Detector
- The Bug
- A Wrong Friend
- The Hunt for the Golden Ankh
- The History of the Whale Woman
- Cheat
- Imprisoned in the Bunker
- Attempt at Revival
- The Snake Bite
- A Spirit Appears
- Helen Learns the Laughter
- Mera Escapes to Earth
- The Race
- The Attack
- The Taking of Hostages
- The Red Virus
- Before the Countdown
- The Countdown
- The Ice Melts
- The Blood Test
- The Queen