Re: Officially no series 8 in 2013
It is still possible to be surprised if you keep your head down a little. Having Oswin turn up in Asylum was a major shock, for me at least.
However, having her appear in the Christmas special was not. The surprise was that the new companion appeared before she was supposed to, not that she wouldn't be the new companion.
When on Romulus, Do as the Romulans