None.

No actual violence, just some moments in which it looks like somebody is gonna attack, but nothing happens.

None.

None.

This pilot episode is basically a dark ghost story, with some moments and a few mild jump scares which may kinda scare some kids. But there is nothing very intense or frightening, as this "horror" movie has been made for families, hence the British U-rating.

A ghost will do whatever it takes in order to get the last memory from an old lady.