Ziggy and his friends are off to space camp where they will meet real astronauts and have a chance to experience what it's like to travel in space. How do astronauts go to the bathroom anyway? Ever heard of Mr. Thirsty? Then there is the mystery of what happens to the bananas that are placed on the monument to the monkeynauts. Every morning the bananas are gone. Who takes them? And what is this shiny green thing that Ziggy has found? Is it from outer space?