Nobody believes Martin when he claims to have seen a spaceship land in the sea at Southbeach, especially his friends Amina or Jenny. But at the dead of night a small creature creeps onto the shore of the little seaside town.

Ollie the Alien has come to rescue Southbeach from a terrible fate.

Martin, Amina and Jenny find Ollie the Alien on the beach. He has come from the planet Gia to rescue Southbeach from a terrible fate.

The search for Ollie the Alien's malfunctioning space probe 'Charley' continues. Is Mr Belcher's chemical factory causing pollution?

The children have to cover up for Ollie the Alien, who causes all sorts of problems with his special powers.

Mr Belcher's factory continues to pollute the water at Southbeach, and his daughter is taken ill. Is it the fault of the pollution?

Amina and Mr Belcher's daughter are in hospital with a mystery illness - but Ollie the Alien can cure them.

A newspaper discovers Ollie the Alien and scents a scoop. Amina and Jenny blame Martin.

Ollie disappears - to escape the press, but his search for the missing space probe makes him weaker and weaker. Meanwhile, time is running out for Southbeach.

Ollie recovers just in time to defuse the probe and save Southbeach.