He then smashes through a window, pops the collar of his trench coat, and makes out with Molly, the cute timid girl who's loved him all along. Of course, all of this turns out to be a fantasy sequence, as some characters in the show speculate about how Sherlock could have saved himself. But here's the thing: Every part of that sequence was based on a real fan theory. The bungee cord idea was a popular one:
That's actually Benedict Cumberbatch's lizard tail.
As for Molly, fans have written over 4,000 stories in which they hook up ... and around 1,000 in which he makes out with his enemy Moriarty instead. So naturally, that also warranted inclusion in this episode: