Eclipso builds a robot Eclipso to fool Bruce Gordon but when the robot Eclipso traps Bruce and Professor Bennett and tries to kill them, Eclipso must help them escape.; Mark and Elsa discover a cave that contains legendary creatures such as the roc and the kraken, and they must defeat the creatures when they escape.; A thief returns to the Alps to recover a stolen treasure previously lost there but the search ends in his death.