On a mission to transport robo-animals to their new families, the Callistos hit a road block on the Tethosphere.

Miles must help his family when a giant winged creature mistakes the Star Jetter for its egg.

During a field trip to Neptune, a malfunction causes the research station to flip over and sink.

The Callistos search for Phoebe's missing sister Frida and must rescue her before Mars' volcano erupts.

Gadfly helps the Callistos locate stolen space equipment.

The Callistos search for the missing Professor Rubicon, who was last seen researching ancient dinosaur fossils.

M.E.R.C. volunteers to help catch the thief responsible for a slew of recent robot thefts.

The Callistos travel to the planet of Sandrosk to save a colony from a sandstorm.