10 Most Chilling Doctor Who Moments

10. Nothing At The Edge of Creation (Wild Blue Yonder)

There are some properly horrible moments in Wild Blue Yonder. Who can forget Donna melting into the floor with a cruel cackle, or the giant, mushed-up DoctorDonna blocking the corridor? It's enough to make a horse sick.

But for pure chilling existential dread, it has to be the moment where the Doctor and Donna look out of the spaceship's window to stare into the darkness at the edge of the universe. The Doctor's description of the pitch-black nothingness is chilling on a level you might not even know you have, because it emphasises the terror of the emptiness of space.

Being lost 100 trillion years from home is a terrifying thought. In that moment, it feels like there's absolutely no hope of Donna ever getting back to Earth. The scene is also unsettling because of the loneliness it evokes – not only are the Doctor and Donna all on their own, but we'd all like to think that there's other life out there in the universe. So the idea of a place where nothing exists but our darkest impulses (personified by the Not-Things) is scary to think about.

Like all the great chilling moments in film and television, the concept of the nothingness at the edge of the universe also gets more unsettling the longer you think about it.