You don't need to watch BBC for that. Not a lot of tv shows, even child programs are dubbed on Dutch tv. So you get accustomed to it early on. Combined with the

You don't need to watch BBC for that. Not a lot of tv shows, even child programs are dubbed on Dutch tv. So you get accustomed to it early on. Combined with the fact the languages are closely related means the Dutch usually have a reasonable grasp of English before it's being taught in school.