Jim posted this in Facebook back in February.....
I was watching "The Vicar of Dibley" tonight for the first time in years (long enough to have forgetten most of the story and minor characters). Turns out one of those minor characters was played by...Peter Capaldi (yes, the next Doctor).
Even more strange, in one of his entrances, he comes in after a very prophetic knock-knock joke:
(Then Capaldi enters)