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...
I climbed all the way to the top...
...تسلقت حتّى القمة
Ich war ganz oben …
Llegué hasta la cima.
Llegué hasta la cima.
Je suis allé jusqu’au sommet.
Sono arrivato fino in cima...
Eu cheguei lá no topo.
Я залез на самый верх...