It is impossible to predict what might upset any particular child. But a 'U' film should be suitable for audiences aged four years and over.

‘U’ films should be set within a positive moral framework and should offer reassuring counterbalances to any violence, threat or horror.

General viewing. Unaccompanied children of any age may watch, but some scenes may be unsuitable for young children.

A ‘PG’ film should not disturb a child aged around eight or older. However, parents are advised to consider whether the content may upset younger or more sensitive children.

Suitable for 12 years and over. No-one younger than 12 may see a ‘12A’ film in a cinema unless accompanied by an adult.

Responsibility for allowing under-12s to view lies with the accompanying or supervising adult.

Suitable only for 15 years and over.

No-one younger than 15 may see a ‘15’ film in a cinema.

Suitable only for adults.

No-one younger than 18 may see an ‘18’ film in a cinema.