On her way to the park, Momo drops the precious bell her mother gave her. Meanwhile, Tama is bothered by the fact that Momo hasn't arrived yet, so he goes looking for her and hears the sound of Momo's bell coming from the drains...

Tama looks up at a sky where fluffy clouds float by as they always do. Where do clouds come from? Tora leads Tama and the others to the place clouds come from, and that place is...
And they change shapes even 
while you're watching!
!ويتغير شكلها أثناء نظرك إليها
Auch die Form ändert sich ständig.
y la forma no deja de cambiar.
y la forma no deja de cambiar.
En plus,
ils changent toujours de forme.
E cambiano forma anche mentre le osserviamo!
E as formas vão mudando o tempo todo.
Их форма меняется, даже пока смотришь!