New Girl: Planet Polare's ice is melting, and now the alien life forms are in danger. When Star Girl is sent to investigate, she discovers that not all dangers come from hairy aliens or strange planets.

Odd One Out: Planet Plantagan's air is being polluted, and the vine aliens are suffering. When the space cadets investigate, they’ll get themselves into a one big tangle.

Winning Moves: An underwater world is being poisoned and the aquamantas are getting sick. Star Girl is eager to help, but she soon discovers that looks can be deceiving.

Three's a Crowd: Planet Rednessis has been plunged into total darkness, and the reptaliens are turning on each other. When Space Cadet Star Girl goes to investigate, she learns being kept in the dark can be disastrous.

Beach Wipe Out: Planet Chimparos is heading for a population crisis. When Space Cadets Star Girl and Neuron Star are sent to investigate, they discover that there's no place like home.

Toxic Talk: Planet Megamarsh is being destroyed by toxic waste and the megamons are not happy. When Star Girl is sent to investigate with Red Giant, she finds out that it's not only deadly waste that can be toxic.

Shut Down: Planet botanicus has been struck by a strange and sudden drought, and the purple-eyed trappers are drying up. When Star Girl, Star Cluster and White Dwarf are sent to find out why, things get a little too hot to handle.

Double Cross: Planet Savannator is losing its grasslands and the savasaurs are vanishing. When Star Girl is sent to investigate with three other cadets, she knows they are in for a hairy ride.