Rating of "Jojo in the Stars"

In United Kingdom, 

Jojo in the Stars was rated PG means 

there were mild scary Images of 

Madame Pica and her horrible scary Freaks. 

But there were no Violence, no Sex, and no bad Words. 

This must be a Parental Guidance 

of "Jojo in the Stars" and it says, Contains mild scary Images.