G级: 所有年龄均可观看(GENERAL AUDIENCES All ages admitted.)
PG级:普通级,建议在父母的陪伴下观看,有些镜头可能让儿童产生不适感( PARENTAL GUIDANCE SUGGESTED Some material may not be suitable for children.)
PG-13级:普通级,但不适于13岁以下儿童 (PARENTS STRONGLY CAUTIONED Some material may be inappropriate for children under 13. )
R级:限制级,17岁以下必须由父母或者监护陪伴才能观看(RESTRICTED Under 17 requires accompanying parent or adult guardian.)
NC-17级: 17岁或者以下不可观看(NO ONE 17 AND UNDER ADMITTED )