Going through my photobucket account I've found a couple I have used on various forums including this one.
In this shot its established that Chekov was, in reality, the Second Doctor all along. The hair explains it.
This was done just after Graham Norton infamously invaded the 2010 gravglobe cliffhanger. And we all remember it well even now.
If some people here do not remember or never experienced the bbc at their best, here's what happened:
I have more lurking somewhere.
"Course your not,your not scared of anything. Box falls out the sky, man falls out of box, man eats fish custard. Look at you, just sittin' there,you know what i think? Must be helluva scary crack in your wall" - The Doctor