| 1x01 Strange Encounters | 29/08/1994 |
| 1x02 Bad-Berry Dreams | 05/09/1994 |
| 1x03 Secrets | 12/09/1994 |
| 1x04 Hell N' High Water | 19/09/1994 |
| 1x05 Past Imperfect | 26/09/1994 |
| 1x06 The Real World | 03/10/1994 |
| 1x07 Remember When | 10/10/1994 |
| 2x07 No Place Like Home | 14/08/1995 |
| 2x08 Our Island | 21/08/1995 |
| 2x09 Underwater and Undercover | 28/08/1995 |
| 2x10 Secrets Out | 04/09/1995 |
| 2x11 Sabatage | 11/09/1995 |
| 2x12 The Arrival | 18/09/1995 |
| 2x13 Return | 25/09/1995 |
| 3x01 Danger in the Reef | 03/08/1996 |
| 3x02 Amnesia | 10/08/1996 |
| 3x03 Draining the Spaceship | 17/08/1996 |
| 3x04 Kal Who Knows No Fear | 24/08/1996 |
| 3x05 Diving Around Obtacles | 31/08/1996 |
| 3x06 Winston and Water Original Air Date | 07/09/1996 |
| 3x07 A Super-Sportsman | 14/09/1996 |
| 3x14 Changes | 08/12/1996 |
| 3x15 The Spy | 14/12/1996 |
| 3x16 Gamma Level: Radioactive | 22/12/1996 |
| 3x17 Charlie Is Stranded | 29/12/1996 |
| 3x18 The Love Letter | 05/01/1997 |
| 3x19 Jason and the Abyss | 12/01/1997 |
| 3x20 Eavesdropper | 19/01/1997 |
| 4x01 Operation Sphinx | 17/11/1997 |
| 4x02 The Mysterious Pyramid | 18/11/1997 |
| 4x03 The Transport | 19/11/1997 |
| 4x04 The Golden Ankh | 22/11/1997 |
| 4x05 Stranded in the Desert | 23/11/1997 |
| 4x06 The Lie Detector | 24/11/1997 |
| 4x07 The Bug | 25/11/1997 |
| 4x08 A Wrong Friend | 26/11/1997 |
| 4x09 The Hunt for the Golden Ankh | 27/11/1997 |
| 4x10 The History of the Whale Woman | 28/11/1997 |
| 4x11 Cheat | 01/12/1997 |
| 4x12 Imprisoned in the Bunker | 02/12/1997 |
| 4x13 Attempt at Rivival | 03/12/1997 |
| 4x14 The Snake Bite | 04/12/1997 |
| 4x15 A Spirit Appears | 05/12/1997 |
| 4x16 Helen Learns the Laughter | 08/12/1997 |
| 4x17 Mera Escapes to Earth | 09/12/1997 |
| 4x18 The Race | 10/12/1997 |
| 4x19 The Attack | 11/12/1997 |
| 4x20 The Taking of Hostages | 12/12/1997 |
