The train just runs. A collage of various images, including cel animation and drawing, animates smoke emitted from trains. The title comes from both the sound of a passing train and Pop Art (Yōji Kuri).
The Witch Who Was Afraid of Witches
Forky Asks a Question: What Is Money?
Forky Asks a Question: What Is a Computer?
Forky Asks a Question: What Is a Leader?
Forky Asks a Question: What Is a Pet?
Come Again in Spring
Mental Images
Grinning Evil Death
Saint☆Young Men
JoJo: The Pop Princess
Pop
The Amazing Spider-Man
Return of the Fly
Three Billboards Outside Ebbing, Missouri
Redefining the Line: The Making of One Hundred and One Dalmatians
The Source of the Mountains
Cloudy with a Chance of Meatballs 2
Avengers: Infinity War
Die Hard 2
Iron Man 2