Cocoon/Cocoon 2

Cocoon
A group of delightful and very human people meet up with some very bizarre and not-so-human beings, who are visitors from a distant galaxy.

They have come to Earth on a rescue mission to retrieve a secret which has laid hidden on the ocean floor for thousands of years. they share a more wondrous adventure of love and friendship than they could ever have imagined.

Cocoon: The Return
In a far distant corner of the universe, on the planet Antarea where sickness is unknown and no-one grows old, they made their home...

Now after five years, it is time to return to Earth to repay the debt of their lives ... To undertake a mission to rescue the remaining 'life-giving' cocoons stored on the sea-bed by their alien friends.