Grab a few tissues: Here is the final scene with Matt Smith's Eleventh Doctor. [Spoilers ahead, duh.] On yesterday's Doctor Who Christmas special, we knew the Doctor would have to "regenerate" in order to usher in the Peter Capaldi era, and while perhaps nothing will ever feel as emotionally overwhelming as David Tennant's farewell, this was still plenty intense. After spending hundreds of years defeating Daleks and various other enemies, it was time for this Doctor to go gentle into that good night, and go he did — thanks in part to the reappearance of his initial companion, Amy Pond. See you in the summertime, new Doctor!