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...
They can't! Thing about clouds is 
they just won't stay in one place.
.مستحيل! فإنّ الغيوم لا تثبت في مكانها
Das geht nicht.
Denn Wolken stehen ja nicht still.
No se puede.
Las nubes no se quedan quietas,
No se puede.
Las nubes no se quedan quietas,
Tu pourras pas.
Non puoi! Il problema delle nuvole
è che non stanno mai ferme.
Não tem mais jeito. Você sabe,
Не получится, облака ведь
не остаются на одном месте.