Starting in the early 2010s, the TV “after-show” became a subgenre. Fans have been gathering online to do all this since before the turn of the century, but in recent years, shows have started producing their own post-episode debriefs. Depending on the show at hand, there are plot twists and character revelations to dissect, theories to discuss and historical context to plumb. For a true TV devotee, watching the latest episode is just the beginning.