It's Grabbleapple harvest season in the Rainbow Kingdom ... but Glummy Glooma doesn't want autumn to come. Can True and her friends save the festival?
| Actor | Role |
|---|---|
 Michela LuciTrue (voice) | True (voice) |
| JJamie WatsonBartleby (voice) | Bartleby (voice) |
 Eric PetersonRainbow King (voice) | Rainbow King (voice) |
 Anna Claire BartlamGrizelda (voice) | Grizelda (voice) |
| NNicolas AquiZee (voice) | Zee (voice) |