Really seriously belated dream diary

So, if anyone's actually following my "dream diary" entries on here, you're getting a biased picture of my actual dreams.  Most nights, I don't remember my dreams, and some nights beyond that I only remember shreds of them.  Night before last, I had a really interesting dream that I'm pretty sure had a plotline, but the only parts I remember are looking at a transparent clock on a rocky shore somewhere, and talking to a younger friend at my old high school who was two years ahead in math and had run out of math courses my high school offered, and was debating whether to take AP Stats or just three history classes. 

However, I realized there was a really interesting dream I had last spring that I never wrote up on here.  I summarized it on Facebook as "Dreamed I was an extra on Doctor Who.  Not fun."  Here's the real story... 

( Dun dun dunnnnn! )