The team undertake an underwater investigation of alleged mermaids at the Great Barrier Reef. Hunting for a family ghost who seems to appear as mist in the family photos. OTHER CASES: "Lake Erie Lights", UFO's filmed for 8 straight days performing manoeuvres in Cleveland. Also what looks as video from a police car dash cam apparently captures a ghost crossing the road. Finally Hawaiian UFO video, 3 lights moving in formation across the sunset revealed to be hoax footage.
| Name | Type | Role | |
|---|---|---|---|
| Austin Porter | Guest Star | ||
| Chi-Lan Lieu | Guest Star | ||
| Ben Hansen | Guest Star | ||
| Bill Murphy | Guest Star | ||
| Jael de Pardo | Guest Star | ||
| Larry Caughlan Jr. | Guest Star |