"Nothing will happen to you."
"What, nothing?"
"Nothing, nothing at all. Ever."

So who is this mysterious being who sends the Doctor on his quest to find the Key To Time? In a Universe that is almost totally rational, how can the Doctor accept what is effectively god turning up and giving him orders?

What do you think of the character of the White Guardian? Is he really an ally of the Doctor? On the basis of the one scene he's in at the start of the Ribos Operation, he seems as much of a threat as anything he's encountered.

Should the White Guardian return to the show? Were the Guardians a good idea, or do you think they're silly?

And how many times have you seen a wicker chair like that around? Must have been a big seller at the prop store...