watch 01:48 The Loop (TV) Do you like this video? This needs a stretch. (Feel free to remove when satisfied of completion.)Needed: History. Helios Island is one of the Greek islands. History Scooby-Doo and Scrappy-Doo (first series) Insert details here. Appearances Scooby-Doo and Scrappy-Doo (first series) 115. Lock the Door, It's a Minotaur! Retrieved from "https://scoobydoo.fandom.com/wiki/Helios_Island?oldid=294347" Categories: Articles needing expansion Scooby-Doo and Scrappy-Doo (first series) locations Community content is available under CC-BY-SA unless otherwise noted.