The Planet Heroes must stop Professor Darkness from destroying the solar system.
| Actor | Role |
|---|---|
| RRalph GarnerAsteroid (voice) / Digger (voice) | Asteroid (voice) / Digger (voice) |
| RRalph GarnerGustus (voice) / Neutron (voice) | Gustus (voice) / Neutron (voice) |
| RRalph GarnerTed (voice) / Tune (voice) / Shiver (voice) | Ted (voice) / Tune (voice) / Shiver (voice) |
| AAndy TurveyRings (voice) | Rings (voice) |
| DDaniel DorseSolar Panel #1 (voice) | Solar Panel #1 (voice) |
| DDave WhiteSolar Panel #2 (voice) | Solar Panel #2 (voice) |
| DDave ParkerZip (voice) | Zip (voice) |
| DDavid SeysBlack Hole (voice) | Black Hole (voice) |
| EEric MichaelsYuri (voice) | Yuri (voice) |
| GGigi YoungDazzle (voice) | Dazzle (voice) |
 Grant GustinAce (voice) | Ace (voice) |
| LLance CangeyRip (voice) | Rip (voice) |
| JJay LocamyPhoton (voice) | Photon (voice) |