We still have many questions about the Promised Land. Is it Heaven? Is it a Planet? Is it another dimension? It might look like a garden, a tea room or hospital corridor but we're certain it's far from that. We still have another five episodes before we get those answers but in the meantime The Caretaker let us with plenty to muse over. The clue - we assume - is in the name, or names. Heaven. The Promised Land. The Afterlife. The Nethersphere. The latter is a name anyone who has been following the casting announcements for series eight will be familiar with. We've seen her as Missy, but Michelle Gomez's character has officially been announced as Keeper of the Nethersphere. Just what she is up to, click 'NEXT' for more assumptions and revelations about the identity of this mysterious place...