Classifications for movies (6)

R18

• The ‘R18’ category is a special and legally restricted. Works with the classification of R18 primarily content sex or strong fetish material involving adults.
• These films are only showed to adults in specially licensed cinemas and videos. R18 videos may not be supplied by mail order.
• They can only be seen by or sold to adults.
• R18 titles are filtered out from the main public search as they can have explicit and/or offensive titles.

http://www.bbfc.co.uk/what-classification/r18