Injured in a fall whilst exploring the ruins of an old fortress, Molly needs to be rescued by her friends. The group of five then decide to adopt a pro-active stance relating to the local museum which is facing closure.

The gang uncovers a plot to steal a valuable icon.

A snorkelling expedition has a near-tragic ending due to illegal explosions by nearby fishermen. While searching for treasure, the kids discovers a large urn underwater but retrieving it is no easy task.

The gang becomes lost in a labyrinth of underground caves.

After antiquities are stolen from the museum the gang sets a trap for the thieves.

The gang rescues a kidnapped archaeologist.

The museum officially closes as the children bid each other farewell.

Zenton inherits a house on Kythera; Johnny returns to the island to visit his grandmother.

The gang starts renovating Zenton's house and learn some distressing news.

The gang goes on a fishing trip with a feuding father and son.

Zenton meets a band of gypsies wandering on the island.

The gang receives a lunch invitation from a famous visitor to the island.

The gang receives a lunch invitation from a famous visitor to the island.