The story, divided into four parts, the seasons, to make it easier for young viewers to understand, describes how the changing seasons throughout the year bring changes to the playground, with visible effects on plants and animals and even influencing the moods of the Mini Cuccioli.
| Actor | Role |
|---|---|
 Monica WardOlly (voice) | Olly (voice) |
| EEdoardo NevolaCilindro (voice) | Cilindro (voice) |
 Gigi RosaPio (voice) | Pio (voice) |
 Margherita De RisiDiva (voice) | Diva (voice) |
 Piero Di BlasioMatusalemme (voice) | Matusalemme (voice) |
 Paolo LombardiPortatile (voice) | Portatile (voice) |
 Dario PenneNonno (voice) | Nonno (voice) |
 Gaia Venusta BolognesiAlbero (voice) | Albero (voice) |