Some female characters wear clothing that expose midriffs. No nudity.

2/10

Some violence with mild amounts of blood.

6/10

Nothing notable in the Japanese version. It will always depend on the translator(s).

none

Alibaba getting mauled in the gladiator arena is quite brutal and intense for a shonen anime.

6/10

Probable rating: 13+. Though some of the violence may require parental guidance or discretion.