It is a parody of The Beatles’ iconic Abbey Road cover but with some very clever hits to the fate of companion, Clara Oswald.
I’m not going to mention what he figures out here because that would be blatant plagiarism. If you want to see it (which all Whovians should!) then follow this handy link:
Also, I should have my review of the first episode of the series up within the next 48 hours. I was hoping to put it up today, but I’ve got an essay to complete, so it’ll have to wait a bit longer.