A ring on the doorbell, followed by “trick or treat?”, is heard in households in many countries around the world each 31st October.
There are several reasons for the international spread. Partly it is due to the migration of US families and partly to the cultural dominance of the USA (what child with a television set can have failed to have seen Spielberg’s ET or at least one of The Simpsons’ seventeen Treehouse of Horror Halloween Specials?).
In other words your kids are watching too much tv. :roll: