when out of time first aired what did you think had actually happened at the end? I remember the one thing I definitely thought hadn't happened was their future selves had killed themselves. My logic being that if they did, they'd never exist to do so. I actually thought it was an unreality pocket, and it'd turn out that the rest of the episode was an illusion after that was revealed. Which, would probably have being the easiest and coolest thing to do in the long run! I also pondered that they'd just killed there future selves, hence the explosion. Did u decide on a theorem and stick to it, not really even bother fathoming it and wait for a new series, assume there would be no more series', have multiple theorems, or something else?