Blast-off into space in this second adventure with The Secret Explorers, a brand-new fiction series. 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 Secret Explorers and the Comet Collision, space expert Roshni leads a mission that's out of this world - literally! With rainforest expert Ollie, she is set the task of fixing the space probe orbiting Jupiter before a comet hits the planet. With the clock ticking, it's a race against time for the Secret Explorers as they dodge asteroids, complete daring spacewalks, and use all their skills to complete their mission.