You are watching The Three Investigators and The Secret Of Skeleton Island the movie produced in Germany belongs with duration 91 Min in Category Mystery,Adventure,Family,. broadcast at streamingjoy.com , by [ GFP Medienfonds ] ,[ Studio Hamburg International Production ] In "The Three Investigators and The Secret of Skeleton Island" the cult detective trio from Rocky Beach, California, fall into a breath-taking mixture of adventure, thriller and mystery. Only by a hairs-breadth did they escape with their lives after the successful completion of their last case..