When a grown-up is shown as a child, it was actually them, and the film took 20+ years to produce
A childhood belief about films

others believed things like this
- When I was a child, I thought that grown-ups were adult.— Gloria
- that as I grew up, my parents would "grown down," then I would be the Mom and Mom would be my child.Anon
- When I was a child, I believed that grown-ups didn't lie.Anon
- I used to believe that an animated film meant that the film had live animals in it.— reverb
- When I was child I used to believe the future going to be similar like in the film Back to the future part 2 — Frankie
- I used to believe that grown-ups were born "grown up" and that I would stay a little kid forever.— Still A Kid