The following content can be blocked using parental controls:
Hide Adult Content: When the “Hide Adult Content” setting is on, adult shows do not appear in search results and title descriptions of shows are hidden in the Program Guide and My Shows. You will need to enter Parental Controls PIN to watch any adult content.
Set Rating Limits: Movies originally meant for release in theaters have a different rating system from shows made for TV. Use rating limits to set rules for both rating systems. Highlight the rating option and use the left/right arrow to change the rating limit.