Episode list

Years of drought have brought plague to a sheep property, and it takes the consolidated efforts of Delta and the army to prevent a national disaster.

A migrant worker is blamed for a death that causes delays in the building of two Navy destroyers.

The search for a space capsule carrying dangerous viruses becomes a race against time.

Wall paintings discovered inside a cave appear to be Aboriginal relics, but a nearby skeleton causes Petri and Fitch to think otherwise.

When a tourist dies after eating polluted oysters, Inger Petri must risk her life in order to prove a theory about the cause of the pollution.

When a dairy family's third-rate produce leads them to struggle to make it pay, the Delta team have to abandon science in favour of female cunning.

The Delta organisation discover an unusual creeper weed, marsdenia, which contains medically valuable pain-killing properties.

A visit to a school that studies a primitive New Guinean tribe uncovers something more sinister than anthropological studies.

An estimation of the mineral content of beach sands leads to an explosive confrontation between a conservationist and a miner.

To prevent future bushfires, Delta creates experimental firebreaks. A bush fire brigade officer scoffs at progress and is the cause of the death of one man in a spectacular bushfire.

The Delta team investigate a human problem of how to deal with an intelligent child who cannot or will not learn to read.

Delta operator Jackie finds suspense and terror in an abandoned mining ghost town in the Blue Mountains.