Mamma aiuto

Mei is eating a caramel on one very windy day, when suddenly a whirlwind appears and starts chasing her. The whirlwind turns out to be a baby cat bus. Mei offers the kitten a caramel and the two become friends. That night, the baby cat bus visits Mei. Letting Mei ride inside him, he leaps out into the sky. They head for the midnight forest full of ghosts. Other cat buses large and small have also gathered together.

Kusoh no kikai-tachi no naka no hakai no hatsumei is an animated short wirtten and directed by Hideaki Anno and produced by Studio Ghibli. It's a Ghibli Museum exclusive.

Kuso no Sora Tobu Kikaitachi (Imaginary Flying Machines) is a 2002 Japanese animated short film produced by Studio Ghibli for their near exclusive use in the Ghibli Museum. It features director Hayao Miyazaki as the narrator, in the form of a humanoid pig, reminiscent of Porco from Porco Rosso, telling the story of flight and the many machines imagined to achieve it.