Prequel to The Princess Bride Revisited - What is a "cult classic?"

I don't know what's gonna happen tonight. At this point, I can't remember who loves us and who hates us... but I do know...

A hundred years ago, they used to put on white sheets and sic bloodhounds on us. Well, nowadays, they've traded in the sheets -...

In turn of the century London, a magical nanny employs music and adventure to help mend the bonds between 2 children and their father....