Crystals of Light 4: The Dark Gems

In the FINAL battle against Dark, Ian, Drew, Wilson, Connor, and Drew's pet micro dragon named Micro must join a sea-faring micro-crew to the island where Dark is carrying out his evil plans. Each boy has his special Crystal of Light, but this is the biggest battle they will ever have to face. Will they be able to defeat Dark once and for all? Or will they DIE?