When I first began watching anime, I had a rather limited access to streaming services and fan communities. That meant I watched DBZ, Code Geass, FMAB and Gurren Lagann long after
my friends had finished them and moved onto greener pastures. But what I liked most was that when I watched these, their fanbases had already passed their golden ages of fan content: The best fan theories/art/posthumous dissections stood out as ones that was worth paying attention to, even long after the popularity of the series had declined. As an example, I still return to Digi's K-On: a Loving Thesis whenever I