There are 106 episodes of Doctor Who missing, spread across 27 serials. We know some of them have been found, but not which. Here are the ones at the top of our list of hopefuls.
So the BBC has announced that, as part of the 50th-anniversary celebration, it's got some big news in the form of recovered classic Who episodes. Depending on which second you ask, you'll get a different story on just how many episodes have been found, what the quality of them is and how soon you'll be able to watch them.
This comes as incredibly exciting news, since, for a very long while now, the only access we've had to these stories are cobbled-together reconstructions and novelizations. So while we excitedly await the official news, let's run down a few of the stories we're especially hoping will be in the mix.