Sternenritter - Die Tiefen von Fryx

Everyone back home on earth thinks the three are normal students. But out in space Ben, Sammy and Mia fight against the dark Count Atrox and his Robotroxe. Fish are disappearing on the underwater planet Fryx and a terrible famine threatens. The star knights go underground. A dangerous mission - because an abyss lurks between vicious shark-eaters and huge water dragons