It's a Radio Times quiz in which you have to guess the episode of 'Doctor Who' based only on David Tennant's facial expressions. All of the background clues have been removed and his head is superimposed on an interior shot of his TARDIS.
I didn't do too badly - I got nine right out of fifteen. Or as they called it: I was "ten-ish" on Tennant.
Give it a try - if it's still up, that is.
If not, at least I've provided their "Alpha & Omega" picture that topped the article......