Dive into the world of The Secret Explorers and learn about ocean life in this action-packed first instalment in a brand-new fiction series. Meet The Secret Explorers! This group of brilliant kids come together from all four corners of the globe to fix problems, solve mysteries and gather knowledge all over the planet - and beyond. Whenever their help is needed, a special sign will appear on a door.

They step through to the Exploration Station, and receive their mission... In The Lost Whales, marine life expert Connor needs to use his underwater expertise to help save a pod of humpback whales that have lost their way. Along with space expert Roshni, he sets out in a submarine to search for a way to steer the whales back on track, but encounters unexpected problems along the way, including lost baby whales and a fleet of boats.

Will The Secret Explorers manage to succeed in their mission?