When LC's report on Cornelius Van der Critter, who founded his hometown, is blown inside the front door of a house that everyone says is haunted, he and his friends make some ghost-fighting gear and set out to trap the ghost
LC and his friends, on a scuba-diving trip to a coral reef, are shipwrecked on the mysterious Octopus Island, which according to legend is guarded by a giant octopus. Includes information on marine life.